Exam 5

1. Given the following entries in a routing table, on which interface will a packet destined for 10.4.0.1 exit? RouterA>show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR, P - periodic downloaded static route T - traffic engineered route Gateway of last resort is not set C 172.16.0.0/16 is directly connected, FastEthernet0/0 10.0.0.0/8 is variably subnetted, 4 subnets, 3 masks I 10.0.0.0/8 [100/8976] via 172.17.0.2, FastEthernet0/1 D 10.1.0.0/16 [90/2297856] via 192.168.1.10, Serial0/1 D 10.4.0.0/16 [90/2297856] via 192.168.1.10, Serial0/1 O 10.4.0.0/30 [110/65] via 192.168.2.10, Serial0/0

Fast Ethernet 0/0

Serial 0/1

Serial 0/0

None of the above

2. Which of the following protocols is considered an exterior routing protocol?

RIP

EIGRP

BGP

OSPF

3. Which one of the following is not a valid IP show commands?

Show ip route

Show ip interface

Show ip protocols

Show ip-interface

4. Which type of routing protocol sends periodic routing updates?

Static

Distance-vector

Link-state

Hierarchical

5. The network entry for 192.168.2.0 /24 is being advertised by RIP and OSPF. Which routing protocol displays the subnet in the routing table and why?

OSPF because it has a lower metric.

RIP because it is classful.

OSPF because it has a lower administrative distance.

RIP because it has a higher administrative distance.

6. Which command will show you the table that IP will use to forward packets to a remote network?

Show path

Show ip path

Show route

Show ip route

7. You want to view the router's uptime. What command will you use?

Show uptime

Show system

Show version

Show reload

8. Which of the following are valid routing protocol troubleshooting commands?

ExamCram1#show ip route

ExamCram1(config-if)#show ip protocols

ExamCram1>debug ip rip

ExamCram1#>show ip network

9. Your network designer, Denise, subnetted the major classful network of 192.168.2.0 into varying-sized subnets throughout your network. Which routing protocol category should not be your choice of routing protocol?

Classfull

EIGRP

Link-state

RIPv2

10. Which command enables you to see the routing table?

Show ip route rip

Show ip route

Show ip interface

Show running-configuration

11. After typing the command show ip route, you see a list of IP addresses with [120/8] next to them. What does the [120/8] mean?

Cost/Metric

Administrative Distance/Metric

Metric/Distance

Cost/Hop Count

12. You have four dynamic routing protocols running in your environment. A router receives an advertisement for a particular route from all four protocols. When you type the show ip route command on this router, what routing protocol does the router prefer?

RIP

IGRP

OSPF

EIGRP

13. You are training some new network engineers when one of them asks you the difference between classful and classless routing protocols. What do you tell him?

They are pretty much the same, except classful protocols have more options.

Classless supports VLSM, whereas classful supports FLSM (fixed-length subnet masks).

Classful can be used only between autonomous systems.

RIPv1 and IGRP are the standard classless protocols, as they were some of the first protocols in existence

14. StudentA#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B – BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA – OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR Gateway of last resort is 172.31.0.1 to network 0.0.0.0 D 192.168.15.0/24 [90/2681856] via 10.0.0.2, 3w2d, Serial0/1 R 172.16.0.0/16 [120/1] via 172.31.0.1, 00:00:05, Serial0/0 172.31.0.0/16 is variably subnetted, 2 subnets, 2 masks D 172.31.0.0/16 is a summary, 3w2d, Null0 C 172.31.0.0/24 is directly connected, Serial0/0 C 192.168.250.0/24 is directly connected, Serial0/1.1 C 10.0.0.0/8 is directly connected, Serial0/1 150.1.0.0/16 is variably subnetted, 2 subnets, 2 masks C 150.1.3.0/24 is directly connected, Ethernet0/0 D 150.1.0.0/16 is a summary, 3w2d, Null0 S* 0.0.0.0/0 [1/0] via 172.31.0.1 What is the meaning of the [90/2681856] in the output following the command?

It's the port number and hop count of the RIP routing protocol.

It's the administrative distance and hop count of the EIGRP routing protocol.

It's the port number and metric of the EIGRP routing protocol.

It's the administrative distance and metric of the route learned through EIGRP

15. A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?

IGRP has a faster update timer.

IGRP has a lower administrative distance.

RIP as a higher metric value for that route.

The IGRP route has fewer hops.

16. What is the administrative distance of IGRP?

90

100

110

120

17. Which of the following is NOT a valid metric used by routing protocols?

Reliability

Delay

Bandwidth

Trustworthiness

18. Which of the following routing protocols implements broadcast packets to disseminate topology update information throughout an internetwork?

EIGRP & IGRP

IGRP & RIPv1

RIPv1 & OSPF

OSPF & EIGRP

19. You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

Router>ping

Router>traceroute

Router>show ip route

Router>show interface

20. Which Cisco IOS command can you use to see the IP routing table?

Sh ip config

Sh ip arp

Sh ip route

Sh ip table

21. You have the following routing table. Which of the following networks will not be placed in the neighbor routing table? R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnets C 172.16.30.0 is directly connected, Loopback0 R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0 C 192.168.50.0/24 is directly connected, Ethernet0

192.168.30.0

172.16.30.0

10.0.0.0

All of them will be placed in the neighbors routing table.

22. Which routing protocols support VLSMs?

OSPF

RIPv2

EIGRP

All of the above

23. Which of the following is a process by which a router immediately informs its neighbors about routing updates?

Split horizon

Poison reverse

Hold-down timers

Triggered updates

24. Which of the following protocols is considered an exterior routing protocol?

RIP

EIGRP

BGP

OSPF

25. Which of the following routing protocols are classful?

Routing Information Protocol Version 1 (RIPv1) and RIPv2

Enhanced Interior Gateway Routing Protocol (EIGRP) and Open Shortest Path First (OSPF)

Intermediate System-to-Intermediate System (IS-IS) and OSPF

RIPv1 only

26. Which routing protocol is distance-vector and classless?

RIPv2

BGP

OSPF

IS-IS

27. Both OSPF and EIGRP are enabled on a router with default values. Both protocols have a route to a destination network in their databases. Which route is entered into the routing table?

The OSPF route.

The EIGRP route.

Both routes are entered with load balancing.

Neither route is entered; an error has occurred

28. Given the following output, on which interface will a packet destined for 192.168.1.34 /24 be routed? RouterA>show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR, P - periodic downloaded static route T - traffic engineered route Gateway of last resort is not set C 10.0.0.0/8 is directly connected, Serial0/1 R 172.17.0.0/16 [120/1] via 192.168.1.10, Serial0/0 C 172.16.0.0/16 is directly connected, FastEthernet0/0 192.168.1.0/30 is subnetted, 1 subnets C 192.168.1.8 is directly connected, Serial0/0

Serial 0/1

Serial 0/0

Fast Ethernet 0/0

None of the above

29. Which of the following routing protocols has a default administrative distance of 120 on Cisco routers?

RIP

IGRP

OSPF

EIGRP

30. Which type of routing protocol uses the Shortest Path First algorithm?

Distance vector

Link state

Hybrid

Apple-Talk

31. You would like to determine which routes in your Cisco router will be advertised to neighboring routers running an appropriate dynamic routing protocol. Which commands should you use to learn this information?

Show ip route & show version

Show ip route & show ip protocols

Show ip interfaces brief & show ip protocols

Show interfaces & show version

32. You need to know what IP routing protocol is in use on your router. Which command should you use?

Show protocol

Show routing protocol

Show running-config

Show ip protocols

33. A retail chain has about 800 stores that connect to the headquarters and a backup location. The company wants to limit the amount of routing traffic used on the WAN links. What routing protocol(s) is/are recommended?

OSPF & RIPv2

OSPF & EIGRP

BGP

IS-IS

34. Which routing protocol has a default administrative distance of 100 on Cisco routers?

RIP

IGRP

OSPF

35. You are troubleshooting Layer 3 issues in your enterprise network. You would like to view the routing update information as it is received on your local router. What command should you use in order to accomplish this?

Show ip routing

Debug ip events

Debug ip routing

Debug routing

36. You have issued the show interfaces command on your Cisco router and you have received the following indication: Ethernet0/0 is up, line protocol is down What is the most common reason for this output?

There is a problem at the Physical layer for the interface

There is a problem at the Data Link layer for the interface

The interface has been administratively disabled

The interface is not CDP (Cisco Discovery Protocol) enabled and this is required in the current configuration

37. The corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. By looking at the output from the Corporate router, what will the router do with this packet? Corpsh ip route [output cut] R 192.168.215.0 [120/2] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.115.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.30.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 C 192.168.20.0 is directly connected, Serial0/0 C 192.168.214.0 is directly connected, FastEthernet0/0

The packets will be discarded.

The packets will be routed out the S0/0 interface.

The router will broadcast looking for the destination.

The packets will be routed out the Fa0/0 interface

38. Which one of the following statements best describes the difference between static and dynamic routing?

39. How would you know that a route has been poisoned in the routing table?

It has a metric of 0 assigned to it.

It has an infinite metric assigned to it

It has an administrative distance of 0 assigned to it.

It has an infinite administrative distance assigned to it.

40. If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?

They will all load-balance.

RIP route

Static route

IGRP route

41. You are troubleshooting Network layer problems in your enterprise network. You need to stop the transmission of routing updates out a particular interface due to WAN issues. You still need to receive updates on the interface, however. What command would you use in this situation?

No ip split-horizon

Ip split-horizon

Passive-interface

No ip route

42. Which routing protocol requires only Cisco routers on the network?

RIPv2

EIGRP

OSPF

RIPv1

43. Which of the following statement regarding classful routing protocols is true?

Classful routing protocols do not carry subnet mask information in routing updates.

RIPv2 and EIGRP are examples

Network boundary summarization is not performed automatically.

44. A(n) __________ routes between different autonomous systems.

BPG

EGP (Exterior Gateway Protocol)

IPP

IGP (Interior Gateway Protocol)

45. Which of the following route sources features the best administrative distance value?

RIP v2

OSPF

IGRP

External EIGRP

46. Refer to Scenario diagram above. A user performs a Telnet from PC 1 to PC 2. If the metric used by the configured routing protocol is the bandwidth parameter, which route will the packets take?

Route 1

Route 2

Neither. The information is insufficient.

One packet will take Route 1, the following packet will take Route 2, and so on

47. Which routing protocols are recommended for large enterprise networks?

RIPv2

OSPF Only

EIGRP Only

EIGRP and OSPF

48. Your boss asks you to explain the difference between a routed protocol and a routing protocol. Which of the following statements best describe the difference?

Routed protocols cannot cross routers.

Routing protocols can identify data.

Routing protocols help transport data between network segments.

Routing protocols are used by routers to communicate routing information

49. Which routing protocols have fast convergence?

RIPv2

OSPF

EIGRP

B & C

50. Which of the following routing protocol is not considered IGPs?

RIPv1

IGRP

BGP

OSPF

51. Which of the following are classless routing protocols?

RIPv1 and RIPv2

EIGRP and RIPv2

IS-IS and OSPF

Answers B and C

52. What is the address range of a class C network address?

0–127

1–126

128–191

192–223

53. Which of the following are classless protocols?

IGRP

EIGRP

IGRP and EIGRP

Neither IGRP or EIGRP

54. __________ is/are a routed protocol.

RIP

OSPF

Both RIP and OSPF

Neither RIP nor OSPF

55. Which routing protocol is typically deployed by Internet service providers?

EIGRP

OSPF

IS-IS

RIPv2

56. What routing protocols should you use if you have multiple vendors and need VLSM support?

RIPv1

IGRP

EIGRP

OSPF

57. Which type of routing protocol would you use when connecting to an Internet service provider?

Classless routing protocol

Interior gateway protocol

Exterior gateway protocol

Classful routing protocol

58. Refer to Scenario diagram above. A user performs a Telnet from PC 1 to PC 2. If the metric used by the configured routing protocol is hop count, which route will the packets take?

Route 1

Route 2

Neither. The information is insufficient.

One packet will take Route 1, the following packet will take Route 2, and so on

59. A routing protocol will use a(n) __________ to determine which path is the best path.

Administrative distance

Metric

Hop count

60. Given the following entries in a routing table, which of the following are true? RouterA>show ip route ...Ouput Omitted... Gateway of last resort is 192.168.2.10 to network 0.0.0.0 C 172.16.0.0/16 is directly connected, FastEthernet0/0 10.0.0.0/8 is variably subnetted, 4 subnets, 3 masks I 10.0.0.0/8 [100/8976] via 172.17.0.2, FastEthernet0/1 D 10.1.0.0/16 [90/2297856] via 192.168.1.10, Serial0/1 D 10.4.0.0/16 [90/2297856] via 192.168.1.10, Serial0/1 S* 0.0.0.0/0 [1/0] via 192.168.2.10, Serial0/0

A packet destined for 192.168.100.2 will exit Serial 0/0.

The metric for network 10.4.0.0/16 is 90.

The metric for network 10.0.0.0/8 is 100.

The routing protocol for network 10.1.0.0 has an administrative distance of 100

61. What destination addresses will be used by HostA to send data to the HTTPS server as shown in the following illustration?

The IP address of the switch

The IP address of the HTTPS server

The MAC address of the HTTPS server

The IP address of RouterA’s Fa0/0 interface

62. Which of the following is true regarding routing metrics?

If the metric is bandwidth, the path with the lowest bandwidth is selected.

If the metric is bandwidth, the path with the highest bandwidth is selected.

If the metric is bandwidth, the highest sum of the bandwidth is used to calculate the highest cost.

If the metric is cost, the path with the highest cost is selected.

Exam 5

2.

What first name or nickname would you like us to use?

2. Which of the following protocols is considered an exterior routing protocol?

3. Which one of the following is not a valid IP show commands?

4. Which type of routing protocol sends periodic routing updates?

5. The network entry for 192.168.2.0 /24 is being advertised by RIP and OSPF. Which routing protocol displays the subnet in the routing table and why?

6. Which command will show you the table that IP will use to forward packets to a remote network?

7. You want to view the router's uptime. What command will you use?

8. Which of the following are valid routing protocol troubleshooting commands?

9. Your network designer, Denise, subnetted the major classful network of 192.168.2.0 into varying-sized subnets throughout your network. Which routing protocol category should not be your choice of routing protocol?

10. Which command enables you to see the routing table?

11. After typing the command show ip route, you see a list of IP addresses with [120/8] next to them. What does the [120/8] mean?

12. You have four dynamic routing protocols running in your environment. A router receives an advertisement for a particular route from all four protocols. When you type the show ip route command on this router, what routing protocol does the router prefer?

13. You are training some new network engineers when one of them asks you the difference between classful and classless routing protocols. What do you tell him?

15. A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?

16. What is the administrative distance of IGRP?

17. Which of the following is NOT a valid metric used by routing protocols?

18. Which of the following routing protocols implements broadcast packets to disseminate topology update information throughout an internetwork?

19. You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

20. Which Cisco IOS command can you use to see the IP routing table?

22. Which routing protocols support VLSMs?

23. Which of the following is a process by which a router immediately informs its neighbors about routing updates?

24. Which of the following protocols is considered an exterior routing protocol?

25. Which of the following routing protocols are classful?

26. Which routing protocol is distance-vector and classless?

27. Both OSPF and EIGRP are enabled on a router with default values. Both protocols have a route to a destination network in their databases. Which route is entered into the routing table?

29. Which of the following routing protocols has a default administrative distance of 120 on Cisco routers?

30. Which type of routing protocol uses the Shortest Path First algorithm?

31. You would like to determine which routes in your Cisco router will be advertised to neighboring routers running an appropriate dynamic routing protocol. Which commands should you use to learn this information?

32. You need to know what IP routing protocol is in use on your router. Which command should you use?

33. A retail chain has about 800 stores that connect to the headquarters and a backup location. The company wants to limit the amount of routing traffic used on the WAN links. What routing protocol(s) is/are recommended?

34. Which routing protocol has a default administrative distance of 100 on Cisco routers?

35. You are troubleshooting Layer 3 issues in your enterprise network. You would like to view the routing update information as it is received on your local router. What command should you use in order to accomplish this?

36. You have issued the show interfaces command on your Cisco router and you have received the following indication: Ethernet0/0 is up, line protocol is down What is the most common reason for this output?

38. Which one of the following statements best describes the difference between static and dynamic routing?

39. How would you know that a route has been poisoned in the routing table?

40. If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?

41. You are troubleshooting Network layer problems in your enterprise network. You need to stop the transmission of routing updates out a particular interface due to WAN issues. You still need to receive updates on the interface, however. What command would you use in this situation?

42. Which routing protocol requires only Cisco routers on the network?

43. Which of the following statement regarding classful routing protocols is true?

44. A(n) __________ routes between different autonomous systems.

45. Which of the following route sources features the best administrative distance value?

46. Refer to Scenario diagram above. A user performs a Telnet from PC 1 to PC 2. If the metric used by the configured routing protocol is the bandwidth parameter, which route will the packets take?

47. Which routing protocols are recommended for large enterprise networks?

48. Your boss asks you to explain the difference between a routed protocol and a routing protocol. Which of the following statements best describe the difference?

49. Which routing protocols have fast convergence?

50. Which of the following routing protocol is not considered IGPs?

51. Which of the following are classless routing protocols?

52. What is the address range of a class C network address?

53. Which of the following are classless protocols?

54. __________ is/are a routed protocol.

55. Which routing protocol is typically deployed by Internet service providers?

56. What routing protocols should you use if you have multiple vendors and need VLSM support?

57. Which type of routing protocol would you use when connecting to an Internet service provider?

58. Refer to Scenario diagram above. A user performs a Telnet from PC 1 to PC 2. If the metric used by the configured routing protocol is hop count, which route will the packets take?

59. A routing protocol will use a(n) __________ to determine which path is the best path.

61. What destination addresses will be used by HostA to send data to the HTTPS server as shown in the following illustration?

62. Which of the following is true regarding routing metrics?