CCNA第二学期练习答案chapter9 下载本文

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1 On a router running EIGRP, what database would maintain a list of feasible successors?

routing table

neighbor table

topology table

adjacency table

2

Refer to the exhibit. This is the debug output from 2 directly connected EIGRP routers. Theyforming an adjacency. What is the cause?

one router is a non-cisco router

they have different autonomous-system numbers

they are using difference sequence numbers

they are sending incorrect hello types

3

Refer to the exhibit. Which command will advertise the 192.168.1.64/30 network but not the 192.168.1.32 network on router A?

network 192.168.1.0

network 192.168.1.0 255.255.255.0

network 192.168.1.64 0.0.0.3

network 192.168.1.64 0.0.0.7

network 192.168.1.64 0.0.0.255

4 What two actions will the EIGRP DUAL FSM take if a link to a network goes down? (Choose

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

5

Refer to the exhibit. What is indicated by the P at the beginning of the topology entry?

the route is in a stable state

the route is a preferred route

DUAL is searching for a better route to this destination

the exit interface is in passive mode and EIGRP advertisements are blocked

6 In which of the following tables does the EIGRP DUAL algorithm store the primary route to adestination? (Choose two.)

routing

topology

neighbor path

shortest path

7 What information is maintained in the EIGRP topology database for a destination route? (Chthree.)

the routing protocol

the feasible distance of the route

the highest cost of the route

the SRTT value for the route

the route cost as advertised by the neighboring router

the physical address of the gateway interface

8 Which of the following statements describes the bounded updates used by EIGRP?

Bounded updates are sent to all routers within an autonomous system.

Partial updates are sent only to routers that need the information.

The updates are sent to all routers in the routing table.

Updates are bounded by the routers in the topology table.

9 Which of the following types of routes will be denoted by EX in EIGRP routing table entries? two.)

routes learned from other routing protocols

routes learned from any non-adjacent EIGRP routers

any route with a hop count metric higher than 224