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CCNA 2 Chapter 10 V4.0 Answers

1. What action does a link-state router take immediately upon receipt of an LSP from a
neighboring router?

floods the LSP to neighbors

calculates the SPF algorithm

runs the Bellman-Ford algorithm

computes the best path to the destination network

2. Why is it difficult for routing loops to occur in networks that use link-state routing?

Each router builds a simple view of the network based on hop count.

Routers flood the network with LSAs to discover routing loops.

Each router builds a complete and synchronized view of the network.

Routers use hold-down timers to prevent routing loops.

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CCNA 2 Chapter 9 V4.0 Answers
1. What two actions will the EIGRP DUAL FSM take if a link to a network goes down?
(Choose two.)

put the route into passive mode

query neighbors for a new route

search routing table for a feasible successor

run the SPF algorithm to find a new successor

search topology table for a feasible successor


Host in the network illustrated is unable to ping host How
must EIGRP be configured to enable connectivity between the two hosts? (Choose two.)

R1(config-router)# network

R1(config-router)# auto-summary

R1(config-router)# no auto-summary

R2(config-router)# no auto-summary

R2(config-router)# auto-summary

R2(config-router)# network

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CCNA 2 Chapter 8 V4.0 Answers

Refer to the exhibit. Router B receives a packet with a destination address of
What will router B do?

drop the packet

forward the packet via the route to

forward the packet via the route to

use the default route

2. A network is converged and the routing tables are complete. When a packet needs to
be forwarded, what is the first criterion used to determine the best path in the routing

the route with the smallest AD

the route with the longest address and mask match to the destination

the route with the highest bandwidth

the route with the best combination of AD and lowest cost

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