CCNA 2 Final Exam V4.1

1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?

FTPS
HTTP
** HTTPS
WEP2
TFTP

2 Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?

branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc

branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp

branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240

**branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown

3Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)

** Router(config)# enable secret cisco
Router(config)# enable cisco
Router(config)# encryption-password all
Router(config)# enable login encrypted
Router(config)# enable password encryption
** Router(config)# service password-encryption

4A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)

** Select the routing protocol to be configured.
** Assign an IP address and subnet mask to the interface
Update the ip host configuration information with the device name and new interface IP address.
** Configure the routing protocol with the new network IP address.
Configure the routing protocol with the new interface IP address and subnet mask.
Configure the routing protocol in use on all other enterprise routers with the new network information.

5 How does TCP ensure the reliable transfer of data?

if data segments are not received from the source, the destination requests that the segments be resent.
If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.
** TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.
The TCP Protocol Interpreter process verifies the transmitted data at source and destination.

6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task?

routable translation
dynamic translation
static translation
** port address translation

7What is the most commonly used exterior routing protocol?

** BGP
RIP
OSPF
EIGRP

8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name?

Router# ip hostname Boise
Router# enable hostname Boise
Router(config-line)# name Boise
** Router(config)# hostname Boise
Router(config)# ip hostname Boise

9Why are port numbers included in the TCP header of a segment?

to indicate the correct router interface that should be used to forward a segment
to identify which switch ports should receive or forward the segment
** to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application
to allow the receiving host to assemble the packet in the proper order

10What is the purpose of the routing process?

to encapsulate data that is used to communicate across a network
** to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses

11Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)

** The debug ip rip command displays RIP routing activity in real time.
**The debug ip rip command can be issued at the user EXEC configuration mode.
The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.
Because of router processor usage, the debug ip rip command should be used only when necessary.
The debug ip rip command should be used instead of the show ip route command whenever possible.

12What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.)

**DNS server
WINS server
**IP address
NetBIOS
** subnet mask
** default gateway

13A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?

The switch has no configuration file in NVRAM.
** The switch has failed POST and must be sent for service.
The switch is functioning properly.
The switch is in half-duplex mode.

14Refer to the exhibit. Which combination of cables and symbols is correct?

A - crossover, B - straight-through, C - straight-through
A - crossover, B - rollover, C - straight-through
**A - straight-through, B -crossover, C - straight-through
A - straight-through, B -straight-through, C - straight-through
A - straight-through, B - straight-through, C - crossover
A - rollover, B - straight-through, C - straight-through

15After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?

transport
network
data link
** physical

16What are three characteristics of the TCP protocol? (Choose three.)

exchanges datagrams unreliably
is used to send IP error messages
forces the retransmission of unacknowledged packets
** creates a virtual session between end-user applications
**carries the IP address of the destination host in the TCP header
is responsible for breaking messages into segments and reassembling them at their destination

17Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?

with BGP
**with a static route
with a directly connected route
with an interior routing protocol

18Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?

rollover
console
crossover
**straight-through

19When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?

leased line
packet switched
** circuit switched
point-to-point

20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?

Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
** Verify the IP address, subnet, and gateway settings using ipconfig on the PC .
Connect to the user home router to check firewall settings for blocked TCP ports.

21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.)

The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
** Workstation A will send an ICMP echo request message to workstation B.
** Workstation B will send an ICMP echo reply message to workstation A.

22How does a router know of paths to destination networks? (Choose two.)

**inspection of the destination IP address in data packets
ARP requests from connected routers
manual configuration of routes
** updates from other routers
DHCP information broadcasts
updates from the SMTP management information base

23Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)

** The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client.
The user started the data conversation by sending an e-mail.
The IP address of the Internet server is 192.168.17.43 .
**The Internet server will send data to port 8547 on the client.

24What is one purpose of the TCP three-way handshake?

sending echo requests from the source to the destination host to establish the presence of the destination
determining the IP address of the destination host in preparation for data transfer
requesting the destination to transfer a binary file to the source
**synchronizing sequence numbers between source and destination in preparation for data transfer

25Which type of address is 192.168.17.111/28?

host address
network address
**broadcast address
multicast address

26A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?

** misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation


27The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?

A
B
C
D

28Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.)

ALSwitch(config)# interface vlan 1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# login

**ALSwitch(config)# line vty 0 4
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login

ALSwitch(config)# line vty 0 15
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login
ALSwitch(config)# enable secret class

ALSwitch(config)# enable password cisco
ALSwitch(config)# interface fa0/1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# no shutdown

**ALSwitch(config)# line cons 0
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login
29A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?

** the POP3 and SMTP server settings in the e-mail application
the patch cable connections at the back of the workstation and at the wall plate
the DHCP settings in the operating system
the IP address, mask, and default gateway values
the NIC drivers

30Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?

RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
**RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0

31Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)

255.255.255.240
** 255.255.192.0
** 255.255.0.0
255.192.0.0
240.0.0.0
255.0.0.0

32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)

**RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6
RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6
RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6
**RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6

33How do port filtering and access lists help provide network security?

**They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.

34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?

STP
UTP
coaxial
**fiber optic

35What is used by a routing protocol to determine the best path to include in the routing table?

Convergence time
Default distance
** Metric
Type of router

36Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.)

192.168.65.31
192.168.65.32
** 192.168.65.35
** 192.168.65.60
192.168.65.63
192.168.65.64

37Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet?

255.255.0.0
255.255.224.0
255.255.255.0
** 255.255.255.224
255.255.255.240
255.255.255.248

38 Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)

** Syslog
Telnet
HTTP
HTTPS
** SNMP

39What is true regarding the differences between NAT and PAT?

PAT uses the word "overload" at the end of the access-list statement to share a single registered address.
Static NAT allows an unregistered address to map to multiple registered addresses.
Dynamic NAT allows hosts to receive the same global address each time external access is required.
**PAT uses unique source port numbers to distinguish between translations.

40Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.)

**The router is connected to a router named Boise.
Router RTB is connected to a Cisco 1841 router.
Router RTB is directly connected to two other routers.
**The IP address of the router interface connected to router RTB is 192.168.2.6 .
The RTB router is connected to two Cisco devices by Fast Ethernet links.

41Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network :
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6
A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?

The ISP must be configured to forward packets from the 192.168.1.0 network.
**The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address.
The ip route command should be removed from the RTB router configuration.

42 A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?

**SNMP
FTP
DHCP
SMTP

43What are two purposes of DNS? (Choose two.)

to dynamically assign IP addressing information to network hosts
to simplify the administration of host and default gateway addressing on client computers
to assign TCP port numbers to hosts as part of the data transfer process
**to resolve human-readable domain names to numeric IP addresses
**to replace the static HOSTS file with a more practical dynamic system

44A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?

an IDS
**an IPS
a host-based firewall
Anti-X software

45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

30
256
**2046
2048
4094
4096

46In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?

**destination network address
source network address
source MAC address
well known port destination address

47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?

Sonet
T3
**dialup
DSL
leased line

48The command copy tftp running-config has been entered on the router. What will this command do?

copy the configuration in RAM to a server
**copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM

49Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)

RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
**RTB(config-if)# no shutdown
**RTB(config-if)# ip address 192.168.102.97 255.255.255.252

50Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.)

to map the path to 192.168.1.7
**to test reachability to 192.168.1.7
to locate connectivity problems along the route to 192.168.1.7
to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7
**to measure the time that packets take to reach 192.168.1.7 and return to the technician's workstation

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CCNA Semester 2 final exam latest version

1
Which two components are used to determine the router ID in the configuration of the OSPF routing process? (Choose two.)
the IP address of the first FastEthernet interface
the highest IP address of any logical interface
(true answer)the highest IP address of any physical interface
the default gateway IP address
(true answer)the priority value of 1 on any physical interface

2
Refer to the exhibit. R2 is configured correctly. The network administrator has configured R1 as shown. Which two facts are true about the forwarding of route information by R1? (Choose two.)
(true answer)R1 will forward the route information for subnet 192.168.100.0/30. (true answer) R1 will not forward route information for subnet 192.168.100.4/30.
R1 will forward the route information with an administrative distance set to 50.
R1 will forward the summarized route information for network 192.168.100.0/24.
R1 will forward route information for subnet 10.10.10.0/30 out the serial interface.

3
Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.)
(true answer)All routes are stable.
Each route has one feasible successor.
The serial interface between the two routers is down.
The administrative distance of EIGRP has been set to 50.
(true answer)The show ip eigrp topology command has been run on R1.


4
A router has learned two equal cost paths to a remote network via the EIGRP and RIP protocols. Both protocols are using their default configurations. Which path to the remote network will be installed in the routing table?
(true answer)the path learned via EIGRP
the path learned via RIP
the path with the highest metric value
both paths with load balancing

5
Refer to the exhibit. Routers R1 and R3 use different routing protocols with default administrative distance values. All devices are properly configured and the destination network is advertised by both protocols. Which path will be used to transmit the data packets from PC1 to PC2?
(true answer)The packets will travel via R2-R1.
The packets will travel via R2-R3.
The traffic will be load-balanced between two paths via R2-R1 and via R2-R3.
The packets will travel via R2-R3, and the other path via R2-R1 will be retained as the backup path.

6
Which statement is true about the RIPv1 protocol?
It is a link-state routing protocol.
(true answer)It excludes subnet information from the routing updates.
It uses the DUAL algorithm to insert backup routes into the topology table.
It uses classless routing as the default method on the router.

7
What is the function of the OSPF LSR packet?
It is used to confirm the receipt of LSUs.
It is used to establish and maintain adjacency with other OSPF routers.
(true answer)It is used by the receiving routers to request more information about any entry in the DBD.
It is used to check the database synchronization between routers

8
Refer to the exhibit. A network administrator is accessing router R1 from the console port. Once the administrator is connected to the router, which password should the administrator enter at the R1> prompt to access the privileged EXEC mode?
Cisco001
Cisco123
(true answer)Cisco789
Cisco901

9
Which two technologies can be used in distance vector routing protocols to prevent routing loops? (Choose two.)
authentication
link-state advertisements
(true answer)hold-down timers
Spanning Tree Protocol
(true answer)split horizon

10
Refer to the exhibit. An administrator is adding a new subnet of 50 hosts to R3. Which subnet address should be used for the new subnet that provides enough addresses while wasting a minimum of addresses?

192.168.1.0/24
192.168.1.48 /28
192.168.1.32/27
(true answer)192.168.1.64/26

11
Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this?
(true answer)192.168.1.64/26
The IP address of host A is incorrect.
The default gateway of host A is incorrect.
(true answer)The Fa0/1 interfaces of the two routers are configured for different subnets.
The subnet mask for the Fa0/0 interface of R1 is incorrect.

12
A network administrator uses the RIP routing protocol to implement routing within an autonomous system. What are two characteristics of this protocol? (Choose two.)
(true answer)It uses the Bellman-Ford algorithm to determine the best path.
It displays an actual map of the network topology.
It offers rapid convergence in large networks.
(true answer)It periodically sends complete routing tables to all connected devices.
It is beneficial in complex and hierarchically designed networks.

13
Refer to the exhibit. What is the meaning of the highlighted value 2?
It is the administrative distance of the routing protocol.
(true answer)It is the number of hops between R2 and the 192.168.8.0/24 network.
It is the value used by the DUAL algorithm to determine the bandwidth for the link.
It is the convergence time measured in seconds.

14
Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose two.)
(true answer)10.0.0.0/8
64.100.0.0/16
128.107.0.0/16
172.16.40.0/24
192.168.1.0/24
(true answer)192.168.2.0/24

15
Refer to the exhibit. The 10.4.0.0 network fails. What mechanism prevents R2 from receiving false update information regarding the 10.4.0.0 network?
(true answer)split horizon
hold-down timers
route poisoning
triggered updates

16
Refer to the exhibit. The routers are properly configured using a dynamic routing protocol with default settings, and the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path?
(true answer)If the network uses the RIP protocol, router A will determine that all paths have equal cost.
If the network uses the RIP protocol, router A will update only the A-C-E path in its routing table.
If the network uses the EIGRP routing protocol, router A will determine that path A-D-E has the lowest cost.
If both RIP and EIGRP protocols are configured on router A, the router will use the route information that is
learned by the RIP routing protocol.

17
Refer to the exhibit. All routers are running the same routing protocol. Based on the exhibit and its displayed commands, which statement is true?
The wildcard mask is incorrectly configured.
A default route must be configured on every router.
Routers B, C, and D have no access to the Internet.
(true answer)The link to the ISP is not advertised by the routing protocol process.

18
Refer to the exhibit. A ping between host A and host B is successful, but pings from host A to operational hosts on the Internet fail. What is the reason for this problem?
The FastEthernet interface of R1 is disabled.
(true answer)One of the default routes is configured incorrectly.
A routing protocol is not configured on both routers.
The default gateway has not been configured on host A.

19
Refer to the exhibit. While trying to diagnose a routing problem in the network, the network administrator runs the debug ip rip command. What can be determined from the output of this command?
The router is broadcasting RIP updates.
The router will be unable to ping 192.168.1.2.
The router is directly connected to network 172.16.1.0 /24.
(true answer)The router has two interfaces that participate in the RIP process.

20
A router boots and enters setup mode. What is the reason for this?
The IOS image is corrupt.
Cisco IOS is missing from flash memory.
(true answer)The configuration file is missing from NVRAM.
The POST process has detected hardware failure.

21
Refer to the exhibit. Which three statements are true of the routing table for Router1? (Choose three.)
The route to network 172.16.0.0 has an AD of 156160.
Network 192.168.0.16 can best be reached using FastEthernet0/0.
(true answer)The AD of EIGRP routes has been manually changed to a value other than the default value.
(true answer)Router1 is running both the EIGRP and OSPF routing process. (true answer) Network 172.17.0.0 can only be reached using a default route. (true answer) 
(true answer)No default route has been configured.

22
A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A?
A(config)# router rip
A(config-router)# passive-interface S0/0
B(config)# router rip
B(config-router)# network 192.168.25.48
B(config-router)# network 192.168.25.64
A(config)# router rip
A(config-router)# no network 192.168.25.32
(true answer)B(config)# router rip
(true answer)B(config-router)# passive-interface S0/0
(true answer) A(config)# no router rip

23
Refer to the exhibit. The show cdp neighbors command was run at R1. Which two facts about the newly detected device can be determined from the output? (Choose two.)
(true answer)ABCD is a router that is connected to R1.
ABCD is a non-CISCO device that is connected to R1.
(true answer)The device is connected at the Serial0/0/1 interface of R1.
R1 is connected at the S0/0/1 interface of device ABCD.
ABCD does not support switching capability.


24
Which statement is true about the metrics used by routing protocols?
(true answer)A metric is a value used by a particular routing protocol to compare paths to remote networks.
(true answer) A common metric is used by all routing protocols.
The metric with the highest value is installed in the routing table.
The router may use only one parameter at a time to calculate the metric.

25
Refer to the exhibit. What action will R2 take for a packet that is destined for 192.168.2.0?
It will drop the packet.
It will forward the packet via the S0/0/0 interface.
It will forward the packet via the Fa0/0 interface.
(true answer)It will forward the packet to R1.

26
Which two router component and operation pair are correctly described? (Choose two.)
DRAM - loads the bootstrap
RAM - stores the operating system
Flash - executes diagnostics at bootup
(true answer)NVRAM - stores the configuration file
ROM - stores the backup configuration file
(true answer)POST - runs diagnostics on hardware modules

27
Which two statements are true about the EIGRP successor route? (Choose two.)
It is saved in the topology table for use if the primary route fails.
(true answer)It may be backed up by a feasible successor route. (true answer) 
(true answer)It is used by EIGRP to forward traffic to the destination.
It is flagged as active in the routing table.
After the discovery process has occurred, the successor route is stored in the neighbor table.

28
Refer to the exhibit. Which two facts can be derived from this output? (Choose two.)
(true answer)Three network devices are directly connected to Router2.
(true answer) The serial interface between Router2 and Router3 is up.
Router1 and Router3 are directly connected.
Six devices are up and running on the network.
Layer 3 functionality between routers is configured properly.

29
In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic routing processes. Which route will be used to reach this network?
(true answer)D 172.16.1.0/24 [90/2195456] via 192.168.200.1, 00:00:09, Serial0/0/0
O 172.16.1.0/24 [110/1012] via 192.168.200.1, 00:00:22, Serial0/0/0
R 172.16.1.0/24 [120/1] via 192.168.200.1, 00:00:17, Serial0/0/0
I 172.16.1.0/24 [100/1192] via 192.168.200.1, 00:00:09, Serial0/0/0

30
Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Choose three.)
(true answer)The router modifies the TTL field, decrementing it by one.
The router changes the source IP to the IP of the exit interface.
(true answer)The router maintains the same source and destination IP.
(true answer) The router changes the source physical address to the physical address of the exit interface.
The router changes the destination IP to the IP of the exit interface.
The router sends the packet out all other interfaces, besides the one it entered the router on.

31
Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undefined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1. What is the reason for the ping failure?
The serial interface between two routers is down.
R2 is not forwarding the routing updates.
(true answer)The 192.168.4.0 network is not included in the RIP configuration of R2.RIPv1 needs to be configured.

32
Refer to the exhibit. Two routers are unable to establish an adjacency. What is the possible cause for this?
The two routers are connected on a multiaccess network.
(true answer)The hello and dead intervals are different on the two routers. (true answer) They have different OSPF router IDs.
They have different process IDs.

33
Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency. What action should be taken to solve this problem?
Enable the serial interfaces of both routers.
Configure EIGRP to send periodic updates.
Configure the same hello interval between the routers.
(true answer)Configure both routers with the same EIGRP process ID.

34
Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct the problem? (Choose two.)
Set a lower priority on R2.
(true answer)Configure the routers in the same area.
Set a lower cost on R2 compared to R1.
Add a backup designated router to the network.
(true answer)Match the hello and dead timers on both routers.

35
Refer to the exhibit. All routers are properly configured to use the EIGRP routing protocol with default settings, and the network is fully converged. Which statement correctly describes the path that the traffic will use from the 10.1.1.0/24 network to the 10.1.2.0/24 network?
It will use the A-D path only.
It will use the path A-D, and the paths A-C-D and A-B-D will be retained as the backup paths.
It will use all the paths equally in a round-robin fashion.
(true answer)The traffic will be load-balanced between A-B-D and A-C-D.

36
Refer to the exhibit. Which router is advertising subnet 172.16.1.32/28?
Router1
Router2
Router3
(true answer)Router4

37
Refer to the exhibit. The hosts that are connected to R2 are unable to ping the hosts that are connected to R1. How can this problem be resolved?
Configure the router ID on both routers.
(true answer)Configure the R2 router interfaces for area 0.
Configure a loopback interface on both routers.
Configure the proper subnet masks on the router interfaces.

38
Refer to the exhibit. The network has three connected routers: R1, R2, and R3. The routes of all three routers are displayed. All routers are operational and pings are not blocked on this network. Which ping will fail?
from R1 to 172.16.1.1
(true answer)from R1 to 192.168.3.1
from R2 to 192.168.1.1
from R2 to 192.168.3.1

39
Refer to the exhibit. Router R2 is configured properly and all interfaces are functional. Router R1 has been installed recently. Host A is unable to ping host B. Which procedure can resolve this problem?
Configure a static route on R1 using the IP address of the serial interface on R1.
Configure a default route on R1 with the exit interface Fa0/0 on R1.
(true answer)Configure a static route on R1 using the IP address of S0/0/0 on R2.
Configure a default route on R1 using the IP address of Fa0/0 on R2.

40
Refer to the exhibit. To implement the RIPv2 protocol, the network administrator runs the commands as displayed. However, the show ip protocol command fails to display any output. How can the administrator solve the problem that is indicated by the lack of output from this command?
Include the default-information originate command.
Include the no auto-summary command.
(true answer)Specify the network for which RIP routing has to be enabled.
Implement RIPv2 authentication in the network.

41
Refer to the exhibit. A router learns a route to the 192.168.6.0 network, as shown in the output of the show ip rip database command. However, upon running the show ip route command, the network administrator sees that the router has installed a different route to the 192.168.6.0 network learned via EIGRP. What could be the reason for the missing RIP route?
(true answer)Compared to RIP, EIGRP has a lower administrative distance.
Compared to EIGRP, RIP has a higher metric value for the route.
Compared to RIP, the EIGRP route has fewer hops.
Compared to RIP, EIGRP has a faster update timer.

42
Refer to the exhibit. A network administrator has configured R1 as shown, and all interfaces are functioning correctly. A
ping from R1 to 172.16.1.1 fails. What could be the cause of this problem?
The serial interface on R1 is configured incorrectly.
(true answer)The default route is configured incorrectly.
The default-information originate command must be issued on R1.
Autosummarization must be disabled on R1.

43
Refer to the exhibit. A network administrator wants to reduce the size of the routing table of R1. Which partial routing table entry in R1 represents the route summary for R2, without including any additional subnets?
10.0.0.0/16 is subnetted, 1 subnets
D 10.5.0.0[90/205891] via 192.168.1.2, S0/0/0
10.0.0.0/24 is subnetted, 4 subnets
D 10.5.0.0[90/205198] via 192.168.1.2, S0/0/0
(true answer)10.0.0.0/22 is subnetted, 1 subnets
(true answer)D 10.5.0.0[90/205901] via 192.168.1.2, S0/0/0
10.0.0.0/8 is subnetted, 4 subnets
D 10.5.0.0[90/205001] via 192.168.1.2, S0/0/0

44
Which two statements are true for link-state routing protocols? (Choose two.)
(true answer)Routers that run a link-state protocol can establish a complete topology of the network.
Routers in a multipoint network that run a link-state protocol can exchange routing tables.
Routers use only hop count for routing decisions.
(true answer)The shortest path first algorithm is used.
Split horizon is used to avoid routing loops.

45
Refer to the exhibit. Which two components are required to complete the configuration? (Choose two.)
a crossover cable
a DCE device
(true answer)a DTE device
a modem
(true answer)a V.35 cable


46

Refer to the exhibit. The output of the show ip route command for router R1 is displayed. What action will the router take
for a packet that is destined for 192.168.1.5?
(true answer)It will drop the packet.
It will forward the packet to interface Serial0/0/0.
It will determine the route for the packet through a routing protocol.
It will forward the packet to the default gateway.

47
Refer to the exhibit. A network administrator has run the show interface command. The output of this command is displayed. What is the first step that is required to make this interface operational?
Switch the cable with a known working cable.
(true answer)Issue the no shutdown command on the interface.
Configure the interface as a loopback interface.
Set the encapsulation for the interface.

48
What are two tasks that must be completed before two routers can use OSPF to form a neighbor adjacency? (Choose two.)
The routers must elect a designated router.
(true answer)The routers must agree on the network type.
(true answer) The routers must use the same dead interval.
The routers must exchange link state requests.
The routers must exchange database description packets.

49
Refer to the exhibit. All interfaces are addressed and functioning correctly. The network administrator runs the tracert command on host A. Which two facts could be responsible for the output of this command? (Choose two.)
The gateway for Host A is missing or improperly configured.
The gateway for Host B is missing or improperly configured.
The entry for 192.168.1.0/24 is missing from the routing table of R1.
(true answer)The entry for 192.168.1.0/24 is missing from the routing table of R2. (true answer) 
(true answer)The entry for 192.168.2.0/24 is missing from the routing table of R1. The entry for 192.168.2.0/24 is missing from the routing table of R2.

50
Refer to the exhibit. How many routes are ultimate routes?
(true answer)3
4
5
7

51
Refer to the exhibit. Which summarization should R1 use to advertise its networks to R2?
192.168.1.0/24
192.168.0.0/24
(true answer)192.168.0.0/22
192.168.1.0/22

52
How does route poisoning prevent routing loops?
New routing updates are ignored until the network has converged.
(true answer)Failed routes are advertised with a metric of infinity.
A route is marked as unavailable when its Time to Live is exceeded.
The unreachable route is cleared from the routing table after the invalid timer expires.

53
What are two functions of a router? (Choose two.)
(true answer)It forwards data packets toward their destination.
It forwards the packet to the destination if the TTL value is 0.
It changes the destination IP address of data packets before forwarding them to an exit interface.
It determines the best path based on the destination MAC address.
(true answer)It acts as an intersection between multiple IP networks.




54
Which routing protocol maintains a topology table separate from the routing table?
IGRP
RIPv1
RIPv2
(true answer)EIGRP

55
Refer to the exhibit. All routers are running RIPv1. The two networks 10.1.1.0/29 and 10.1.1.16/29 are unable to access each other. What can be the cause of this problem?
Because RIPv1 is a classless protocol, it does not support this access.
(true answer)RIPv1 does not support discontiguous networks.
RIPv1 does not support load balancing.
RIPv1 does not support automatic summarization.

56
Which two statements are correct about the split horizon with poison reverse method of routing loop prevention? (Choose two.)
It is enabled by default on all Cisco IOS implementations.
(true answer)It assigns a value that represents an infinite metric to the poisoned route.
It sends back the poisoned route update to the same interface from where it was received.
It instructs routers to hold all changes that might affect routes, for a specified period of time.
(true answer)It limits the number of hops a packet can traverse through the network before it is discarded.

57
What are two reasons for the occurrence of a routing loop? (Choose two.)
slow convergence
(true answer)incorrectly configured static routes
routes that are learned via two routing protocols
(true answer)static and dynamic routing being used on the same router
lack of a default route on the router that connects to the Internet

58
All routers in a network are configured in a single OSPF area with the same priority value. No loopback interface has been set on any of the routers. Which secondary value will the routers use to determine the router ID?
The highest MAC address among the active interfaces of the network will be used.
There will be no router ID until a loopback interface is configured.
The highest IP address among the active FastEthernet interfaces that are running OSPF will be used.
(true answer)The highest IP address among the active interfaces will be used.

59
Refer to the exhibit. Although R2 is configured correctly, host A is unable to access the Internet. What are two static routes that can be configured on R1, either of which would enable Internet connectivity for host A? (Choose two.)

ip route 0.0.0.0 0.0.0.0 Fa0/0
(true answer)ip route 0.0.0.0 0.0.0.0 Fa0/1
ip route 0.0.0.0 0.0.0.0 10.1.1.1
(true answer)ip route 0.0.0.0 0.0.0.0 10.1.1.2
ip route 209.165.202.0 255.255.255.0 10.1.1.1

Read More

CCNA 2 FINAL (Latest version 100/100)

1
Refer to the exhibit. Two routers are unable to establish an adjacency. What is the possible cause for this?
The two routers are connected on a multiaccess network.
(true answer)  The hello and dead intervals are different on the two routers.
They have different OSPF router IDs.
They have different process IDs.


2

What is the function of the OSPF LSR packet?
It is used to confirm the receipt of LSUs.
It is used to establish and maintain adjacency with other OSPF routers.
(true answer)  It is used by the receiving routers to request more information about any entry in the DBD.
It is used to check the database synchronization between routers.


3
Refer to the exhibit. The hosts that are connected to R2 are unable to ping the hosts that are connected to R1. How can this problem be resolved?
Configure the router ID on both routers.
(true answer)  Configure the R2 router interfaces for area 0.
Configure a loopback interface on both routers.
Configure the proper subnet masks on the router interfaces.


4
Which two statements are true for link-state routing protocols? (Choose two.)
(true answer)  Routers that run a link-state protocol can establish a complete topology of the network.
Routers in a multipoint network that run a link-state protocol can exchange routing tables.
Routers use only hop count for routing decisions.
(true answer)  The shortest path first algorithm is used.
Split horizon is used to avoid routing loops.


5
Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.)
The administrative distance of EIGRP has been set to 50.
(true answer)  All routes are stable.
(true answer)  The show ip eigrp topology command has been run on R1.
The serial interface between the two routers is down.
Each route has one feasible successor.

6
Refer to the exhibit. Which three statements are true of the routing table for Router1? (Choose three.)
The route to network 172.16.0.0 has an AD of 156160.
Network 192.168.0.16 can best be reached using FastEthernet0/0.
(true answer)  The AD of EIGRP routes has been manually changed to a value other than the default value.
(true answer)  Router1 is running both the EIGRP and OSPF routing process.
Network 172.17.0.0 can only be reached using a default route.
(true answer)  No default route has been configured.

7
Which two router component and operation pair are correctly described? (Choose two.)
DRAM - loads the bootstrap
RAM - stores the operating system
Flash - executes diagnostics at bootup
(true answer)  NVRAM - stores the configuration file
ROM - stores the backup configuration file
(true answer)  POST - runs diagnostics on hardware modules

8
What are two tasks that must be completed before two routers can use OSPF to form a neighbor adjacency? (Choose two.)
The routers must elect a designated router.
(true answer)  The routers must agree on the network type.
(true answer)  The routers must use the same dead interval.
The routers must exchange link state requests.
The routers must exchange database description packets.

9
What are two functions of a router? (Choose two.)
(true answer)  It forwards data packets toward their destination.
It forwards the packet to the destination if the TTL value is 0.
It changes the destination IP address of data packets before forwarding them to an exit interface.
It determines the best path based on the destination MAC address.
(true answer)  It acts as an intersection between multiple IP networks.

10
Refer to the exhibit. Which statement is true about router R2?
The routing table content indicates that interface S0/0/0 is administratively down.
The route for 172.16.1.0 is a static route.
A packet that is destined for a host on the 172.16.3.0 network is forwarded without performing a routing table lookup.
(true answer)  The packets that are routed to network 172.16.1.0 require two routing table lookups.

11
Refer to the exhibit. The output of the show ip route command for router R1 is displayed. What action will the router take for a packet that is destined for 192.168.1.5?
It will drop the packet.
It will forward the packet to interface Serial0/0/0.
It will determine the route for the packet through a routing protocol.
(true answer)  It will forward the packet to the default gateway.

12
Refer to the exhibit. Although R2 is configured correctly, host A is unable to access the Internet. Which two static routes can be configured on R1 to enable Internet connectivity for host A? (Choose two.)
ip route 0.0.0.0 0.0.0.0 Fa0/0
(true answer)  ip route 0.0.0.0 0.0.0.0 Fa0/1
ip route 0.0.0.0 0.0.0.0 10.1.1.1
(true answer)  ip route 0.0.0.0 0.0.0.0 10.1.1.2
ip route 209.165.202.0 255.255.255.0 10.1.1.1
ip route 209.165.202.0 255.255.255.0 10.1.1.2

13
Refer to the exhibit. Which two facts can be derived from this output? (Choose two.)
(true answer)  Three network devices are directly connected to Router2.
(true answer)  The serial interface between Router2 and Router3 is up.
Router1 and Router3 are directly connected.
Six devices are up and running on the network.
Layer 3 functionality between routers is configured properly.

14
Refer to the exhibit. Routers R1 and R3 use different routing protocols with default administrative distance values. All devices are properly configured and the destination network is advertised by both protocols.
Which path will be used to transmit the data packets between PC1 and PC2?
(true answer)  The packets will travel via R2-R1.
The packets will travel via R2-R3.
The traffic will be load-balanced between two paths — via R2-R1 and via R2-R3.
The packets will travel via R2-R3, and the other path via R2-R1 will be retained as the backup path.

15
A network administrator uses the RIP routing protocol to implement routing within an autonomous system. What are two characteristics of this protocol? (Choose two.)
(true answer)  It uses the Bellman-Ford algorithm to determine the best path.
It displays an actual map of the network topology.
It offers rapid convergence in large networks.
(true answer)  It periodically sends complete routing tables to all connected devices.
It is beneficial in complex and hierarchically designed networks.

16
Refer to the exhibit. What is the meaning of the highlighted value 2?
It is the administrative distance of the routing protocol.
(true answer)  It is the number of hops between R2 and the 192.168.8.0/24 network.
It is the value used by the DUAL algorithm to determine the bandwidth for the link.
It is the convergence time measured in seconds.

17
In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic routing processes. Which route will be used to reach this network?
(true answer)  D 172.16.1.0/24 [90/2195456] via 192.168.200.1, 00:00:09, Serial0/0/0
O 172.16.1.0/24 [110/1012] via 192.168.200.1, 00:00:22, Serial0/0/0
R 172.16.1.0/24 [120/1] via 192.168.200.1, 00:00:17, Serial0/0/0
I 172.16.1.0/24 [100/1192] via 192.168.200.1, 00:00:09, Serial0/0/0

18
Refer to the exhibit. The routers are properly configured using a dynamic routing protocol with default settings, and the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path?
(true answer)  If the network uses the RIP protocol, router A will determine that all paths have equal cost.
If the network uses the RIP protocol, router A will update only the A-C-E path in its routing table.
If the network uses the EIGRP routing protocol, router A will determine that path A-D-E has the lowest cost.
If both RIP and EIGRP protocols are configured on router A, the router will use the route information that is learned by the RIP routing protocol.

19
Which statement is true about the RIPv1 protocol?
It is a link-state routing protocol.
(true answer)  It excludes subnet information from the routing updates.
It uses the DUAL algorithm to insert backup routes into the topology table.
It uses classless routing as the default method on the router.

20
Refer to the exhibit. The 10.4.0.0 network fails. What mechanism prevents R2 from receiving false update information regarding the 10.4.0.0 network?
(true answer)  split horizon
hold-down timers
route poisoning
triggered updates

21
Refer to the exhibit. All routers are running RIPv1. The two networks 10.1.1.0/29 and 10.1.1.16/29 are unable to access each other. What can be the cause of this problem?
Because RIPv1 is a classless protocol, it does not support this access.
(true answer)  RIPv1 does not support discontiguous networks.
RIPv1 does not support load balancing.
RIPv1 does not support automatic summarization.

22
How does route poisoning prevent routing loops?
New routing updates are ignored until the network has converged.
(true answer)  Failed routes are advertised with a metric of infinity.
A route is marked as unavailable when its Time to Live is exceeded.
The unreachable route is cleared from the routing table after the invalid timer expires.

23
Which statement is true about the metrics used by routing protocols?
(true answer)  A metric is a value used by a particular routing protocol to compare paths to remote networks.
A common metric is used by all routing protocols.
The metric with the highest value is installed in the routing table.
The router may use only one parameter at a time to calculate the metric.

24
Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undefined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1.
What is the reason for the ping failure?
The serial interface between two routers is down.
R2 is not forwarding the routing updates.
(true answer)  The 192.168.4.0 network is not included in the RIP configuration of R2.
RIPv1 needs to be configured.

25
Refer to the exhibit. A network administrator wants to reduce the size of the routing table of R1. Which partial routing table entry in R1 represents the route summary for R2, without including any additional subnets?
10.0.0.0/16 is subnetted, 1 subnets
D 10.5.0.0[90/205891] via 192.168.1.2, S0/0/0
10.0.0.0/24 is subnetted, 4 subnets
D 10.5.0.0[90/205198] via 192.168.1.2, S0/0/0
(true answer)  10.0.0.0/22 is subnetted, 1 subnets
D 10.5.0.0[90/205901] via 192.168.1.2, S0/0/0
10.0.0.0/8 is subnetted, 4 subnets
D 10.5.0.0[90/205001] via 192.168.1.2, S0/0/0

26
Refer to the exhibit. An administrator is adding a new subnet of 50 hosts to R3. Which subnet address should be used for the new subnet that provides enough addresses while wasting a minimum of addresses?
192.168.1.0/24
192.168.1.48 /28
192.168.1.32/27
(true answer)  192.168.1.64/26

27
Refer to the exhibit. How many routes are ultimate routes?
3
4
(true answer)  5
7

28
Refer to the exhibit. Which router is advertising subnet 172.16.1.32/28?
Router1
Router2
Router3
(true answer)  Router4

29
Which two statements are true about the EIGRP successor route? (Choose two.)
It is saved in the topology table for use if the primary route fails.
(true answer)  It may be backed up by a feasible successor route.
(true answer)  It is used by EIGRP to forward traffic to the destination.
It is flagged as active in the routing table.
After the discovery process has occurred, the successor route is stored in the neighbor table.

30
Refer to the exhibit. R2 is configured correctly. The network administrator has configured R1 as shown. Which two facts can be deduced from the configuration of R1? (Choose two.)
(true answer)  R1 will forward the route information for subnet 192.168.100.0/30.
The administrative distance has been set to 50 on R1.
(true answer)  R1 will not forward route information for subnet 192.168.100.4.0/30.
R1 will forward the EGRP update for subnet 10.10.10.0/30.
Autosummarization must be enabled.

31
Refer to the exhibit. All routers are running the same routing protocol. Based on the exhibit and its displayed commands, which statement is true?
Routers B, C, and D have no access to the Internet.
(true answer)  The link to the ISP will be excluded from the routing protocol process.
A default route must be configured on every router.
The wildcard mask is incorrectly configured.

32
Which two components are used to determine the router ID in the configuration of the OSPF routing process? (Choose two.)
the IP address of the first FastEthernet interface
(true answer)  the highest IP address of any logical interface
(true answer)  the highest IP address of any physical interface
the default gateway IP address
the priority value of 1 on any physical interface

33
Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct the problem? (Choose
two.)
Set a lower priority on R2.
(true answer)  Configure the routers in the same area.
Set a lower cost on R2 compared to R1.
Add a backup designated router to the network.
(true answer)  Match the hello and dead timers on both routers.

34
Refer to the exhibit. All routers are properly configured to use the EIGRP routing protocol with default settings, and the network is fully converged. Which statement correctly describes the path that the traffic will use from the 10.1.1.0/24 network to the 10.1.2.0/24 network?
It will use the A-D path only.
It will use the path A-D, and the paths A-C-D and A-B-D will be retained as the backup paths.
It will use all the paths equally in a round-robin fashion.
(true answer)  The traffic will be load-balanced between A-B-D and A-C-D.

35
Which routing protocol maintains a topology table separate from the routing table?
IGRP
RIPv1
RIPv2
(true answer)  EIGRP

36
Refer to the exhibit. A ping between the serial interfaces of R1 and R2 is successful, but a ping between their FastEthernet interfaces fails. What is the reason for this problem?
The FastEthernet interface of R1 is disabled.
(true answer)  One of the default routes is configured incorrectly.
A routing protocol is not configured on both routers.
The default gateway has not been configured on both routers.

37
Refer to the exhibit. What action will R2 take for a packet that is destined for 192.168.2.0?
It will drop the packet.
It will forward the packet via the S0/0/0 interface.
It will forward the packet via the Fa0/0 interface.
(true answer)  It will forward the packet to R1.

38
Refer to the exhibit. A network administrator has configured R1 as shown, and all interfaces are functioning correctly. A ping from R1 to 172.16.1.1 fails. What could be the cause of this problem?
The serial interface on R1 is configured incorrectly.
(true answer)  The default route is configured incorrectly.
The default-information originate command must be issued on R1.
Autosummarization must be disabled on R1.

39
Refer to the exhibit. All interfaces are addressed and functioning correctly. The network administrator runs the tracert command on host A. Which two facts could be responsible for the output of this command? (Choose two.)
(true answer)  The entry for 192.168.2.0/24 is missing from the routing table of R1.
(true answer)  The entry for 192.168.1.0/24 is missing from the routing table of R2.
The entry for 10.1.1.0/30 is missing from the routing table of R1.
The entry for 10.1.1.0/30 is missing from the routing table of R2.
The entry for 192.168.1.0/24 is missing from the routing table of R1.
The entry for 192.168.2.0/24 is missing from the routing table of R2.

40
A router has learned two equal cost paths to a remote network via the EIGRP and RIP protocols. Both protocols are using their default configurations. Which path to the remote network will be installed in the routing table?
(true answer)  the path learned via EIGRP
the path learned via RIP
the path with the highest metric value
both paths with load balancing

41
Refer to the exhibit. The network has three connected routers: R1, R2, and R3. The routes of all three routers are displayed. All routers are operational and pings are not blocked on this network.
Which ping will fail?
from R1 to 172.16.1.1
(true answer)  from R1 to 192.168.3.1
from R2 to 192.168.1.1
from R2 to 192.168.3.1

42
Refer to the exhibit. Which summarization should R1 use to advertise its networks to R2?
192.168.1.0/24
192.168.0.0/24
(true answer)  192.168.0.0/22
192.168.1.0/22

43
Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this?
The IP address of host A is incorrect.
The default gateway of host A is incorrect.
(true answer)  The Fa0/1 interfaces of the two routers are configured for different subnets.
The subnet mask for the Fa0/0 interface of R1 is incorrect.

44
Refer to the exhibit. Which two components are required to complete the configuration? (Choose two.)
a CSU/DSU device
(true answer)  a DTE device
a DCE device
a crossover cable
(true answer)  a V.35 cable

45
A router boots and enters setup mode. What is the reason for this?
The IOS image is corrupt.
Cisco IOS is missing from flash memory.
(true answer)  The configuration file is missing from NVRAM.
The POST process has detected hardware failure.

46
Refer to the exhibit. A network administrator is accessing router R1 from the console port. Once the administrator is connected to the router, which password should the administrator enter at the R1> prompt to access the privileged EXEC mode?
Cisco001
Cisco123
(true answer)  Cisco789
Cisco901

47
Refer to the exhibit. While trying to diagnose a routing problem in the network, the network administrator runs the debug ip rip command. What can be determined from the output of this command?
The router will be unable to ping 192.168.1.2.
The router has two interfaces that participate in the RIP process.
The router will forward the updates for 192.168.1.0 on interface Serial0/0/1.
(true answer)  The router is not originating routes for 172.16.1.0.

48
Refer to the exhibit. To implement the RIPv2 protocol, the network administrator runs the commands as displayed. However, the show ip protocol command fails to display any output. How can the administrator solve the problem that is indicated by the lack of output from this command?
Include the default-information originate command.
Include the no auto-summary command.
(true answer)  Specify the network for which RIP routing has to be enabled.
Implement RIPv2 authentication in the network.

49
Refer to the exhibit. Router R2 is configured properly and all interfaces are functional. Router R1 has been installed recently. Host A is unable to ping host B.
Which procedure can resolve this problem?
Configure a static route on R1 using the IP address of the serial interface on R1.
Configure a default route on R1 with the exit interface Fa0/0 on R1.
(true answer)  Configure a static route on R1 using the IP address of S0/0/0 on R2.
Configure a default route on R1 using the IP address of Fa0/0 on R2.

50
Refer to the exhibit. The show cdp neighbors command was run at R1. Which two facts about the newly detected device can be determined from the output? (Choose two.)
(true answer)  ABCD is a router that is connected to R1.
ABCD is a non-CISCO device that is connected to R1.
(true answer)  The device is connected at the Serial0/0/1 interface of R1.
R1 is connected at the S0/0/1 interface of device ABCD.
ABCD does not support switching capability.

51
Refer to the exhibit. A router learns a route to the 192.168.6.0 network, as shown in the output of theshow ip rip database command. However, upon running the show ip route command, the network administrator sees that the router has installed a different route to the 192.168.6.0 network learned via EIGRP. What could be the reason for the missing RIP route?
(true answer)  Compared to RIP, EIGRP has a lower administrative distance.
Compared to EIGRP, RIP has a higher metric value for the route.
Compared to RIP, the EIGRP route has fewer hops.
Compared to RIP, EIGRP has a faster update timer.

52
All routers in a network are configured in a single OSPF area with the same priority value. No loopback interface has been set on any of the routers. Which secondary value will the routers use to determine the router ID?
The highest MAC address among the active interfaces of the network will be used.
There will be no router ID until a loopback interface is configured.
The highest IP address among the active FastEthernet interfaces that are running OSPF will be used.
(true answer)  The highest IP address among the active interfaces will be used.

53
Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency.
What action should be taken to solve this problem?
Enable the serial interfaces of both routers.
Configure EIGRP to send periodic updates.
Configure the same hello interval between the routers.
(true answer)  Configure both routers with the same EIGRP process ID.

54
Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Choose three.)
(true answer)  The router modifies the TTL field, decrementing it by one.
The router changes the source IP to the IP of the exit interface.
(true answer)  The router maintains the same source and destination IP.
(true answer)  The router changes the source physical address to the physical address of the exit interface.
The router changes the destination IP to the IP of the exit interface.
The router sends the packet out all other interfaces, besides the one it entered the router on.

55
Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose two.)
(true answer)  10.0.0.0/8
64.100.0.0/16
128.107.0.0/16
172.16.40.0/24
192.168.1.0/24
(true answer)  192.168.2.0/24

56
Which two statements are correct about the split horizon with poison reverse method of routing loop prevention? (Choose two.)
It is enabled by default on all Cisco IOS implementations.
(true answer)  It assigns a value that represents an infinite metric to the poisoned route.
(true answer)  It sends back the poisoned route update to the same interface from where it was received.
It instructs routers to hold all changes that might affect routes, for a specified period of time.
It limits the number of hops a packet can traverse through the network before it is discarded.

57
A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A?
A(config)# router rip
A(config-router)# passive-interface S0/0
B(config)# router rip
B(config-router)# network 192.168.25.48
B(config-router)# network 192.168.25.64
A(config)# router rip
A(config-router)# no network 192.168.25.32
(true answer)  B(config)# router rip
B(config-router)# passive-interface S0/0
A(config)# no router rip

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CCNA 2 – Final 94,8% – New

http://p4s-ccna.blogspot.com


1. Refer to the exhibit. All routers are running the same routing protocol. Based on the exhibit and its displayed commands, which statement is true?
ans:
The link to the ISP is not advertised by the routing protocol process.

2. Refer to the exhibit. While trying to diagnose a routing problem in the network, the network administrator runs the debug ip rip command. What can be determined from the output of this command?
ans:
The router will be unable to ping 192.168.1.2.

3. Refer to the exhibit. Two routers are unable to establish an adjacency. What is the possible cause for this?
ans:
The hello and dead intervals are different on the two routers.

4. Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency?
ans:
Configure both routers with the same EIGRP process ID.

5. Refer to the exhibit. Routers R1 and R3 use different routing protocols with default administrative distance values. All devices are properly configured and the destination network is advertised by both protocols.
Which path will be used to transmit the data packets from PC1 to PC2?
ans:
The packets will travel via R2-R1.

6. Refer to the exhibit. What is the meaning of the highlighted value 2?
ans:
It is the number of hops between R2 and the 192.168.8.0/24 network.

7. What is the function of the OSPF LSR packet?
ans:
It is used by the receiving routers to request more information about any entry in the DBD.

8. Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Choose three.)

The router modifies the TTL field, decrementing it by one.
The router maintains the same source and destination IP.
The router changes the source physical address to the physical address of the exit interface.

9. Refer to the exhibit. The routers are properly configured using a dynamic routing protocol with default settings, and the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path?

If the network uses the RIP protocol, router A will determine that all paths have equal cost.

10. Refer to the exhibit. A network administrator has run the show interface command. The output of this command is displayed. What is the first step that is required to make this interface operational?

Issue the no shutdown command on the interface.

11. Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undefined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1.
What is the reason for the ping failure?

The 192.168.4.0 network is not included in the RIP configuration of R2.

12. Refer to the exhibit. R2 is configured correctly. The network administrator has configured R1 as shown. Which two facts are true about the forwarding of route information by R1? (Choose two.)
R1 will forward the route information for subnet 192.168.100.0/30.
R1 will forward the route information with an administrative distance set to 50.

13. Refer to the exhibit. The network has three connected routers: R1, R2, and R3. The routes of all three routers are displayed. All routers are operational and pings are not blocked on this network. Which ping will fail?
from R1 to 192.168.3.1

14. Refer to the exhibit. A network administrator has configured R1 as shown, and all interfaces are functioning correctly. A ping from R1 to 172.16.1.1 fails. What could be the cause of this problem?
The default route is configured incorrectly.

15. Which two router component and operation pair are correctly described? (Choose two.)
NVRAM – stores the configuration file
POST – runs diagnostics on hardware modules

16. A network administrator uses the RIP routing protocol to implement routing within an autonomous system. What are two characteristics of this protocol? (Choose two.):
It uses the Bellman-Ford algorithm to determine the best path.
It periodically sends complete routing tables to all connected devices.

17. Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this?
-The Fa0/1 interfaces of the two routers are configured for different subnets.

18. Refer to the exhibit. All interfaces are addressed and functioning correctly. The network administrator runs the tracert command on host A. Which two facts could be responsible for the output of this command? (Choose two.)

The entry for 192.168.2.0/24 is missing from the routing table of R1.
The entry for 192.168.2.0/24 is missing from the routing table of R2.

19. What are two functions of a router? (Choose two.)

It forwards data packets toward their destination.
It acts as an intersection between multiple IP networks.

20. Which statement is true about the RIPv1 protocol?
It excludes subnet information from the routing updates.

21. Refer to the exhibit. To implement the RIPv2 protocol, the network administrator runs the commands as displayed. However, the show ip protocol command fails to display any output. How can the administrator solve the problem that is indicated by the lack of output from this command?
Specify the network for which RIP routing has to be enabled.

22. Refer to the exhibit. An administrator is adding a new subnet of 50 hosts to R3. Which subnet address should be used for the new subnet that provides enough addresses while wasting a minimum of addresses?
192.168.1.64/26

23. Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct the problem? (Choose two.)
Configure the routers in the same area.
Match the hello and dead timers on both routers.

24. What two routing protocols use a hierarchal network topology? (Choose two.)
IS-IS
OSPF

25. Refer to the exhibit. Router R2 is configured properly and all interfaces are functional. Router R1 has been installed recently. Host A is unable to ping host B.
Which procedure can resolve this problem?
Configure a static route on R1 using the IP address of S0/0/0 on R2.

26. All routers in a network are configured in a single OSPF area with the same priority value. No loopback interface has been set on any of the routers. Which secondary value will the routers use to determine the router ID?
The highest IP address among the active interfaces will be used.

27. Which two statements are true for link-state routing protocols? (Choose two.)
Routers that run a link-state protocol can establish a complete topology of the network.
The shortest path first algorithm is used.

28. A router boots and enters setup mode. What is the reason for this?
The configuration file is missing from NVRAM.

29. Refer to the exhibit. The show cdp neighbors command was run at R1. Which two facts about the newly detected device can be determined from the output? (Choose two.)
ABCD is a router that is connected to R1.
The device is connected at the Serial0/0/1 interface of R1.

30. What are two tasks that must be completed before two routers can use OSPF to form a neighbor adjacency? (Choose two.)
The routers must agree on the network type.
The routers must use the same dead interval.

31. Refer to the exhibit. A ping between host A and host B is successful, but pings from host A to operational hosts on the Internet fail. What is the reason for this problem?
One of the default routes is configured incorrectly.

32. What two routing protocols will produce a shortest path first tree? (Choose two.)
IS-IS
OSPF

33. Refer to the exhibit. Which three statements are true of the routing table for Router1? (Choose three.)
The AD of EIGRP routes has been manually changed to a value other than the default value.
Router1 is running both the EIGRP and OSPF routing process.
No default route has been configured.

34. Refer to the exhibit. What action will R2 take for a packet that is destined for 192.168.2.0?
It will forward the packet to R1.

35. Refer to the exhibit. A router learns a route to the 192.168.6.0 network, as shown in the output of the show ip rip database command. However, upon running the show ip route command, the network administrator sees that the router has installed a different route to the 192.168.6.0 network learned via EIGRP. What could be the reason for the missing RIP route?
Compared to RIP, EIGRP has a lower administrative distance.

36. Which two components are used to determine the router ID in the configuration of the OSPF routing process? (Choose two.)
ans:
the highest IP address of any logical interface
the highest IP address of any physical interface

37. Refer to the exhibit. A network administrator is accessing router R1 from the console port. Once the administrator is connected to the router, which password should the administrator enter at the R1> prompt to access the privileged EXEC mode?
ans:
Cisco789

38. Which routing protocol maintains a topology table separate from the routing table?
ans:
EIGRP

39. Refer to the exhibit. Which summarization should R1 use to advertise its networks to R2?
ans:
192.168.0.0/22

40. Refer to the exhibit. All routers are running RIPv1. The two networks 10.1.1.0/29 and 10.1.1.16/29 are unable to access each other. What can be the cause of this problem?
ans:
RIPv1 does not support discontiguous networks.

41. Refer to the exhibit. All routers are properly configured to use the EIGRP routing protocol with default settings, and the network is fully converged. Which statement correctly describes the path that the traffic will use from the 10.1.1.0/24 network to the 10.1.2.0/24 network?
ans:
The traffic will be load-balanced between A-B-D and A-C-D.

42. A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A?
ans:
B(config)# router rip
B(config-router)# passive-interface S0/0

43. Which two statements are correct about the split horizon with poison reverse method of routing loop prevention? (Choose two.)
ans:
It assigns a value that represents an infinite metric to the poisoned route.
It sends back the poisoned route update to the same interface from where it was received.

44. Refer to the exhibit. The 10.4.0.0 network fails. What mechanism prevents R2 from receiving false update information regarding the 10.4.0.0 network?
ans:
split horizon

45. Refer to the exhibit. How many routes are ultimate routes?
ans:
5

46. Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.)
ans:
All routes are stable.
The show ip eigrp topology command has been run on R1.

47. A router has learned two equal cost paths to a remote network via the EIGRP and RIP protocols. Both protocols are using their default configurations. Which path to the remote network will be installed in the routing table?
ans:
the path learned via EIGRP

48. Which two statements are true about the EIGRP successor route? (Choose two.)
ans:
It may be backed up by a feasible successor route.
It is used by EIGRP to forward traffic to the destination.

49. Refer to the exhibit. The output of the show ip route command for router R1 is displayed. What action will the router take for a packet that is destined for 192.168.1.5?
ans:
It will forward the packet to the default gateway.

50. Refer to the exhibit. The hosts that are connected to R2 are unable to ping the hosts that are connected to R1. How can this problem be resolved?
ans:
Configure the R2 router interfaces for area 0.

51. In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic routing processes. Which route will be used to reach this network?
ans:
D 172.16.1.0/24 [90/2195456] via 192.168.200.1, 00:00:09, Serial0/0/0

52. Refer to the exhibit. Which two facts can be derived from this output? (Choose two.)
ans:
Three network devices are directly connected to Router2.
The serial interface between Router2 and Router3 is up.

53. How does route poisoning prevent routing loops?
ans:
Failed routes are advertised with a metric of infinity.

54. Refer to the exhibit. A network administrator wants to reduce the size of the routing table of R1. Which partial routing table entry in R1 represents the route summary for R2, without including any additional subnets?
ans:
10.0.0.0/22 is subnetted, 1 subnets
D 10.5.0.0[90/205901] via 192.168.1.2, S0/0/0

55. Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose two.)
ans:
10.0.0.0/8
192.168.2.0/24

56. Refer to the exhibit. Although R2 is configured correctly, host A is unable to access the Internet. What are two static routes that can be configured on R1, either of which would enable Internet connectivity for host A? (Choose two.)
ans:
ip route 0.0.0.0 0.0.0.0 Fa0/1
ip route 0.0.0.0 0.0.0.0 10.1.1.2

57. Refer to the exhibit. Which router is advertising subnet 172.16.1.32/28?
ans:
Router4

58. Which statement is true about the metrics used by routing protocols?
ans:
A metric is a value used by a particular routing protocol to compare paths to remote networks.

59. Refer to the exhibit. Which two components are required to complete the configuration? (Choose two.)
ans:
a DTE device
a V.35 cable

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CCNA 2 v4.0 Final Exam Answers

Download CCNA 2 v4.0 Final Exam Answers

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CCNA2 FINAL2 (new 25/12/08)

1. Refer to the exhibit. The output of the show ip route command for three routers on a network is displayed. All routers are operational, pings are not blocked on this network, and no default routes are installed. Which two pings will fail? (Choose two.)
from R1 to 172.16.1.1
** from R1 to 192.168.3.1
from R2 to 192.168.1.1
from R2 to 192.168.3.1
** from R3 to 192.168.1.1
172.16.4.0/24


2. A router that uses the RIP routing protocol has an entry for a network in the routing table. It then receives an update with another entry for the same destination network but with a lower hop count. What action will the router take for this new update?
** It will append the update information to the routing table.
It will invalidate the entry for that network in the routing table.
It will replace the existing routing table entry with the new information.
It will ignore the new update.

3. Which two statements are true for OSPF Hello packets? (Choose two.)
They negotiate correct parameters among neighboring interfaces.
They are used for dynamic neighbor discovery.
They use timers to elect the designated router with the fastest link.
** They are received from all routers on the network and used to determine the complete network topology.
** They are used to maintain neighbor relationships.

4. A network administrator needs to configure a single router to loadbalance the traffic over unequal cost paths. Which routing protocol should the administrator use?
EIGRP
OSPF
RIPv1
** RIPv2

5. Which two statements are correct about the split horizon with poison reverse method of routing loop prevention? (Choose two.)
It is enabled by default on all Cisco IOS implementations.
** It assigns a value that represents an infinite metric to the poisoned route.
** It sends back the poisoned route update to the same interface from where it was received.
It instructs routers to hold all changes that might affect routes, for a specified period of time.
It limits the number of hops a packet can traverse through the network before it is discarded.

6. Refer to the exhibit. The show cdp neighbors command was run on one of the devices as shown. Based on this information, which two facts can be determined? (Choose two.)
** The command was run on the router.
ABCD is a non CISCO device.
Layer 3 connectivity between two devices exists.
ABCD supports routing capability.
** ABCD is connected to the Fa0/0 interface of the neighboring device.

7. Refer to the exhibit. The network has three connected routers: R1, R2 and R3. The routes of all three routers are displayed. What can be verified from the output?
R1 and R3 are connected to each other via the S0/0/0 interface.
The IP address of the S0/0/0 interface of R1 is 10.1.1.2.
The IP address of the S0/0/1 interface of R2 is 10.3.3.2.
** R2 is connected to the S0/0/1 interface of R3.

8. Refer to the exhibit. Which three statements are true of the routing table for Router1? (Choose three.)
The route to network 172.16.0.0 has an AD of 156160.
Network 192.168.0.16 can best be reached using FastEthernet0/0.
**The AD of EIGRP routes has been manually changed to a value other than the default value.
** Router1 is running both the EIGRP and OSPF routing process.
Network 172.17.0.0 can only be reached using a default route.
** No default route has been configured.

9. Refer to the exhibit. All the routers are properly configured to use the RIP routing protocol with default settings, and the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path?
Router A will send the data via the ADE path that is listed in the routing table.
Router A will loadbalance the traffic between ABE and ACE.
** Router A will determine that all paths have equal metric cost.
Router A will send the data through ADE and keep ABE and ACE as the backup paths.

10. Refer to the exhibit. The network administrator has run the following command on R1.
R1# ip route 192.168.2.0 255.255.255.0 172.16.1.2What is the result of running this command?
** Traffic for network 192.168.2.0 is forwarded to 172.16.1.2.
This route is automatically propagated throughout the entire network.
Traffic for all networks is forwarded to 172.16.1.2.
The command invokes a dynamic routing protocol for 192.168.2.0.

11. Refer to the exhibit. The network administrator is planning IP addressing of a new network. What part of this addressing scheme must be changed to allow communication between host A and the server?
** the IP address of the server
the default gateway of host A
the IP address of host A
the default gateway of the server

12. Refer to the exhibit. A network administrator has configured OSPF using the following command:
network 192.168.1.32 0.0.0.31 area 0
Which router interface will participate in OSPF?
FastEthernet 0/0
FastEthernet 0/1
** Serial 0/0/0
Serial 0/0/1

13. Refer to the exhibit. All routers are configured to run RIPv1 and are fully converged. Which routing updates will be received by R3?
updates for 192.168.1.0/24 and 192.168.2.0/24
updates for 172.16.2.0/24 and 172.16.3.0/24
** updates for 172.16.1.0/24, 172.16.2.0/24 and 172.16.3.0/24
updates for 172.16.0.0/16

14. Refer to the exhibit. Both routers are using the RIP protocol. Devices on the 192.168.1.1 network can ping the S0/0/0 interface on R2 but cannot ping devices on the 192.168.2.1 network. What is a possible cause of this problem?
** The routers are configured with different versions of RIP.
R2 is not forwarding the routing updates.
The R1 configuration should include the no autosummary command.
The maximum path number has been exceeded.

15. When a router boots, what is the default order to locate the Cisco IOS if there is no boot system command?
ROM, TFTP server, flash
flash, TFTP server, RAM
** flash, NVRAM, TFTP server
ROM, flash, TFTP server

16. Refer to the exhibit. Which router is advertising subnet 172.16.1.32/28?
Router1
Router2
Router3
** Router4

17. Which mechanism helps to avoid routing loops by advertising a metric of infinity?
** route poisoning
split horizon
holddown timer
triggered updates

18. Refer to the exhibit. What is the meaning of the highlighted value 120?
It is the metric that is calculated by the routing protocol.
It is the value that is used by the DUAL algorithm to determine the bandwidth for the link.
** It is the administrative distance of the routing protocol.
It is the holddown time, measured in seconds, before the next update.

19. Refer to the exhibit. A network administrator successfully pings R1 from R3. Next, the administrator runs the show cdp neighbors command on R3. The output of this command is displayed.What are two reasons for the absence of R1 in the output? (Choose two.)
There is a Layer 2 connectivity problem between R1 and R3.
The Fa0/0 interface of R1 is configured with an incorrect IP address.
**The no cdp run command has been run at R1.
**The no cdp enable command has been run at Fa0/1 interface of R3.R1 is powered off.

20. Refer to the exhibit. A device is required to complete the connection between router R1 and the WAN. Which two devices can be used for this? (Choose two.)
** a CSU/DSU device
** a modem
an Ethernet switch
a hub
a bridge

21. In a complex lab test environment, a router has discovered four paths to 192.168.1.0/24 via the use of the RIP routing process. Which route will be installed in the routing table after the discovery of all four paths?
R 192.168.1.0/24 [120/3] via 192.168.110.1, 00:00:17, Serial 0/1/0
R 192.168.1.0/24 [120/2] via 192.168.200.1, 00:00:17, Serial 0/0/0
** R 192.168.1.0/24 [120/1] via 192.168.100.1, 00:00:17, Serial 0/0/1
R 192.168.1.0/24 [120/4] via 192.168.101.1, 00:00:17, Serial 0/1/1

22. Refer to the exhibit. A network administrator accesses router R1 from the console port to configure a newly connected interface. What passwords will the network administrator need to enter to make the connection and the necessary configuration changes?
the Cisco123 password only
the Cisco789 password only
the Cisco001 password only
** the Cisco001 password and the Cisco789 passwords
the Cisco001 password and the Cisco123 passwords

23. Refer to the exhibit. A network administrator adds this command to router R1: ip route 192.168.2.0 255.255.255.0 S0/0/0. What is the result of adding this command?
This route is automatically propagated throughout the network.
The traffic for network 172.16.1.0 is forwarded to network 192.168.2.0.
** A static route is established.
The traffic for all Class C networks is forwarded to 172.16.1.2.

24. Refer to the exhibit. The router receives a packet that is destined for 192.168.5.79. How will the router handle this packet?
It will forward the packet via the Serial0/0/1 interface.
It will forward the packet via the FastEthernet0/0 interface.
It will forward the packet via the Serial0/0/0 interface.
** It will drop the packet.

25. Which two statements are true about classless routing protocols? (Choose two.)
** They can be used for discontiguous subnets.
** They can forward supernet routes in routing updates.
They cannot implement classful routes in routing tables.
They use only a hop count metric.
They do not include the subnet mask in routing updates.

26. Refer to the exhibit. How many routes are child routes?
1
3
** 4
6

27. A router has EIGRP configured as the only routing protocol. In what two ways does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails? (Choose two.)
It broadcasts hello packets to all routers in the network to reestablish neighbor adjacencies.
** It sends queries to adjacent neighbors until a new successor route is found.
It immediately sends its entire routing table to its neighbors.
It sends queries to adjacent neighbors until the lost route is unknown to the neighbors.
** It automatically forwards traffic to a fallback default route until a successor route is found.

28. Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose two.)
** 10.0.0.0/8
64.100.0.0/16
128.107.0.0/16
172.16.40.0/24
192.168.1.0/24
** 192.168.2.0/24

29. Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.)
The administrative distance of EIGRP has been set to 50.
** All routes are stable.
** The show ip eigrp topology command has been run on R1.
The serial interface between the two routers is down.
Each route has one feasible successor.

30. Refer to the exhibit. All routers are properly configured with default configurations and are running the OSPF routing protocol. The network is fully converged. A host on the 192.168.3.0/24 network is communicating with a host on the 192.168.2.0/24 network. Which path will be used to transmit the data?
The data will be transmitted via R3-R2.
** The data will be transmitted via R3-R1-R2.
The traffic will be loadbalanced between two paths — one via R3-R2, and the other via R3-R1-R2.
The data will be transmitted via R3-R2, and the other path via R3-R1-R2 will be retained as the backup path.

31. A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A?
** A(config)# router rip
A(configrouter)# passiveinterface S0/0
B(config)# router rip
B(configrouter)# network 192.168.25.48
B(configrouter)# network 192.168.25.64
A(config)# router rip
A(configrouter)# no network 192.168.25.32
B(config)# router rip
B(configrouter)# passiveinterface S0/0
A(config)# no router rip

32. Refer to the exhibit. The hosts on the R1 LAN are unable to access the Internet. What is incorrectly configured?
the IP address of the Fa 0/0 interface at R1
the IP address of the S 0/0/1 interface at R2
** the IP address of the S 0/0/0 interface at R1
the subnet mask of the S 0/0/1 interface at R2

33. Refer to the exhibit. A ping from R1 to 10.1.1.2 is successful, but a ping from R1 to 192.168.2.0 fails. What is the cause of this problem?
There is no gateway of last resort at R1.
The serial interface between the two routers is down.
** A default route is not configured on R1.
The static route for 192.168.2.0 is incorrectly configured.

34. Refer to the exhibit. The network administrator has run the show ip protocol command on R1. What can be determined from the exhibited output?
The router is using RIPv2.
The router is not forwarding routing updates.
The router is receiving updates for both versions of RIP.
** The FastEthernet0/0 interface is down.

35. Refer to the exhibit. All routers are configured to use the EIGRP routing protocol with default settings, all routes are advertised on all routers, and the network is fully converged. Which path will the data take to travel between 172.16.1.0/24 and 192.168.100.0/24?
It will travel via A, B, and C.
** It will travel via A, F, E, D, and C.
It will travel via A, G, H, and C.
The traffic will be loadbalanced on all paths.

36. Refer to the exhibit. All routers are configured for OSPF area 0. The network administrator requires that R2 always be the DR and maintain adjacency.Which two configurations can achieve this? (Choose two.)
Change the OSPF area of R2 to a higher value.
Change the router ID for R2 by assigning the IP address 172.16.30.5/24 to the Fa0/0 interface.
** Change the priority values of the Fa0/0 interfaces of R1 and R3 to 0.
** Configure a loopback interface on R2, with an IP address higher than any IPaddress on the other routers.
Configure R1 and R3 with an IP address whose value is higher than that of R2.

37. Refer to the exhibit. Host A is unable to access the Internet, and troubleshooting has revealed that this is due to an addressing problem. What is incorrectly configured in this network?
the IP address of the Fa 0/0 interface of R1
the subnet mask of the S 0/0/0 interface of R1
** the IP address of the S 0/0/0 interface of R1
the subnet mask of the S0/0/0 interface of R2

38. Refer to the exhibit. All routes are advertised and fully operational on all routers. Which statement is true about the path that the data will take from router A to router B?
** If EIGRP is used with default configurations, the data will be equally distributed between two paths — A, D, B and A, C, D.
If RIPv1 is used with default configurations, the data will be loadbalanced on all paths.
If EIGRP and OSPF are both used with default configurations, the data will be sent through paths learned by the OSPF protocol.
If RIPv2 is used with default configurations, the data will be equally distributed between two paths — A, D, B and A, C, D.

39. Refer to the exhibit. The interfaces of all routers are configured for OSPF area 0. R3 can ping R1, but the two routers are unable to establish a neighbor adjacency. What should the network administrator do to troubleshoot this problem?
Check if the interfaces of the routers are enabled.
** Check the hello and dead intervals between the routers.
Check the process ID of both routers.
Check if CDP is enabled on all the routers.

40. Refer to the exhibit. What information can be determined from the highlighted output?
R1 is originating the route 172.30.200.32/28.
** Automatic summarization is disabled.
The 172.30.200.16/28 network is one hop away from R1.
A classful routing protocol is being used.

41. Which two router component and operation pair are correctly described? (Choose two.)
DRAM loads the bootstrap
RAM stores the operating system
Flash executes diagnostics at bootup
** NVRAM stores the configuration file
ROM stores the backup configuration file
** POST runs diagnostics on hardware modules

42. Which routing protocol by default uses bandwidth and delay to calculate the metric of a route?
RIPv1
RIPv2
OSPF
** EIGRP

43. Two routers need to be configured within a single OSPF area. Which two components need to be configured on both routers to achieve this? (Choose two.)
the same process ID
** the same area ID
** network addresses and wildcard masks
the same router ID
the same loop back address

44. Refer to the exhibit. The networks that are connected to R1 have been summarized for R2 as 192.168.136.0/21. Which packet destination address will R2 forward to R1?
192.168.135.1
**192.168.142.1
192.168.144.1
192.168.128.1

45. Refer to the exhibit. R1 is running RIP with default parameters. R1 has learned four different paths with the same metrics to network 192.168.6.0. Which path or paths will R1 use to forward a packet that is destined to 192.168.6.10?
** the first path that the router learned.
only the first two of the four paths that the router learned.
the last path that the router learned.
all four paths.

46. What are two functions of a router? (Choose two.)
** It connects multiple IP networks.
It controls the flow of data via the use of Layer 2 addresses.
** It determines the best path to send packets.
It manages the VLAN database.
It increases the size of the broadcast domain.

47. Refer to the exhibit. Which statement is true about the routing process for this network?
A packet leaves interface Fa0/0 of R1 with the source MAC address as 000C.3010.9260.
** The packet leaves interface Fa0/0 of R1 with the source MAC address as 000C.3010.9260.
The no shutdown command needs to run on the Fa0/0 interface of R1.
The Fa0/0 interface of R2 could be configured with the IP address 172.16.4.1/24.

48. Refer to the exhibit. A network administrator has run the show interface command. The output of this command is displayed. What is the first step that is required to make this interface operational?
Switch the cable with a known working cable.
** Issue the no shutdown command on the interface.
Configure the interface as a loopback interface.
Set the encapsulation for the interface.

49. Refer to the exhibit. R1 is configured properly for a single area OSPF, and R2 has been recently installed in the network. Which set of commands is required to configure a single area OSPF for the networks that are connected to R2?
** R2(config)# router ospf 1
R2(configrouter)# network 192.168.2.0 0.0.0.255 area 0
R2(configrouter)# network 10.1.1.0 0.0.0.3 area 0
R2(config)# router ospf 1
R2(configrouter)# network 192.168.2.0 0.0.0.255 area 0

R2(config)# router ospf 2
R2(configrouter)# network 10.1.1.0 0.0.0.3 area 0
R2(config)# router ospf 1
R2(configrouter)# network 192.168.2.0 0.0.0.255 area 0
R2(configrouter)# network 10.1.1.0 0.0.0.3 area 1
R2(config)# router ospf 1
R2(configrouter)# network 192.168.2.0 0.0.0.255 area 0
R2(configrouter)# network 10.0.0.0 0.0.0.3 area 1

50. Refer to the exhibit. The command ip route 0.0.0.0 0.0.0.0 S0/0/0 is run on router R2. What are the two results of this command? (Choose two.)
** A static route will be updated in the routing table.
The traffic from the Internet will be directed to R2.
The traffic from the source network 172.16.0.0/22 will be blocked.
** The route will be specified as the default route for all networks not defined in the routing table.
All the broadcasts will be forwarded via the S0/0/0 interface of R2.

51. Which three statements are true regarding the encapsulation and deencapsulation of packets when traveling through a router? (Choose three.)
** The router modifies the TTL field, decrementing it by one.
The router changes the source IP to the IP of the exit interface.
** The router maintains the same source and destination IP.
** The router changes the source physical address to the physical address of the exit interface.
The router changes the destination IP to the IP of the exit interface.
The router sends the packet out all other interfaces, besides the one it entered the router on.

52. What are two tasks that must be completed before two routers can use OSPF to form a neighbor adjacency? (Choose two.)
The routers must elect a designated router.
** The routers must agree on the network type.
** The routers must use the same dead interval.
The routers must exchange link state requests.
The routers must exchange database description packets.

53. Refer to the exhibit. Although both the routers can ping the serial interface of their neighbors, they are unable to ping the Ethernet interfaces of other routers. Which two statements are true for this network? (Choose two.)
The administrative distance has been set to 50 on both routers.
** R2 is learning about network 192.168.1.0.
R1 is learning about network 192.168.2.0.
The network 10.1.1.0 command has not been run on both routers.
** Autosummarization is enabled on both routers.

54. Which two situations require the use of a linkstate protocol? (Choose two.)
** Fast convergence of the network is critical.
** The network is very large.
The network administrator has limited knowledge to configure and troubleshoot routing protocols.The network is a flat network.
The capacity of the router is low.

55. Refer to the exhibit. What information can be determined from the displayed output?
EIGRP packets are waiting to be sent to the neighbors.
The adjacencies between the routers are yet to be established.
The IP address 192.168.10.10 is configured at serial interface S0/0/1 of router R2.
** Router R2 is receiving hello packets from a neighbor with the IP address 192.168.10.10 via the R2 S0/0/1 interface.

56. Refer to the exhibit. PC1 is unable to access the Internet. What is the cause of the problem?
An incorrect IP address is configured between the two routers.
No static route is configured on Router2.
** A routing loop has occurred.
No routing protocol is configured on either of the two routers.

57. Refer to the exhibit. What summarization should R2 use to advertise its LAN networks to R1?
172.16.0.0/24
** 172.16.4.0/22
172.16.4.0/23

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