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Ip Routing Online Exam Quiz

Important questions about Ip Routing. Ip Routing MCQ questions with answers. Ip Routing exam questions and answers for students and interviews.

1. You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

Options

A : The route is 16 hops away.

B : The route has a delay of 16 microseconds.

C : The route is inaccessible.

D : The route is queued at 16 messages a second.

2. What does RIPv2 use to prevent routing loops? CIDR Split horizon Authentication Classless masking Holddown timers

Options

A : 1 and 3

B : 2, 3 and 5

C : 2 and 5

D : 3 and 4

3. IGRP uses which of the following as default parameters for finding the best path to a remote network? Hop count MTU Cumulative interface delay STP Path bandwidth value

Options

A : 1 and 3

B : 3 and 5

C : 2, 3 and 5

D : All of the above

4. Which command displays RIP routing updates?

Options

A : show ip route

B : debug ip rip

C : show protocols

D : debug ip route

5. Which statement is true regarding classless routing protocols? The use of discontiguous networks is not allowed. The use of variable length subnet masks is permitted. RIPv1 is a classless routing protocol. IGRP supports classless routing within the same autonomous system. RIPv2 supports classless routing.

Options

A : 1, 3 and 5

B : 3 and 4

C : 2 and 5

D : None of the above

6. 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. Looking at the output from the Corporate router, what will the router do with this packet? Corp#sh 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

Options

A : The packet will be discarded.

B : The packet will be routed out the S0/0 interface.

C : The router will broadcast looking for the destination.

D : The packet will be routed out the Fa0/0 interface.

1. 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?

Options

A : Any available route

B : RIP route

C : Static route

D : IGRP route

2. What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Options

A : Router(config-if)# no routing

B : Router(config-if)# passive-interface

C : Router(config-router)# passive-interface s0

D : Router(config-router)# no routing updates

3. What is route poisoning?

Options

A : It sends back the protocol received from a router as a poison pill, which stops the regular updates.

B : It is information received from a router that can't be sent back to the originating router.

C : It prevents regular update messages from reinstating a route that has just come up.

D : It describes when a router sets the metric for a downed link to infinity.

5. Which of the following is true regarding RIPv2?

Options

A : It has a lower administrative distance than RIPv1.

B : It converges faster than RIPv1.

C : It has the same timers as RIPv1.

D : It is harder to configure than RIPv1.

6. What is split horizon?

Options

A : Information about a route should not be sent back in the direction from which the original update came.

B : It splits the traffic when you have a large bus (horizon) physical network.

C : It holds the regular updates from broadcasting to a downed link.

D : It prevents regular update messages from reinstating a route that has gone down.

7. 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

Options

A : 172.16.30.0

B : 192.168.30.0

C : 10.0.0.0

D : All of them will be placed in the neighbor routing table.

8. 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?

Options

A : IGRP has a faster update timer.

B : IGRP has a lower administrative distance.

C : RIP has a higher metric value for that route.

D : The IGRP route has fewer hops.

10. Which two of the following are true regarding the distance-vector and link-state routing protocols? Link state sends its complete routing table out all active interfaces on periodic time intervals. Distance vector sends its complete routing table out all active interfaces on periodic time intervals. Link state sends updates containing the state of its own links to all routers in the internetwork. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

Options

A : 1 only

B : 3 only

C : 2 and 3 only

D : None of the above

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