單項(xiàng)選擇題A router has EIGRP configured as the only routing protocol. How does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?()

A. It immediately sends its entire routing table to its neighbors.
B. EIGRP sends a Hello packet to the DR to inform it of the route failure.
C. It automatically forwards traffic to a fallback default route until a successor route is found.
D. It sends queries out to neighbors until a new successor route is found.
E. It places the route in holddown until LSA updates inform it of a new route to the network.


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1.多項(xiàng)選擇題Which table of EIGRP route information are held in RAM and maintained through the use of hello and update packets?()

A. Neighbor table
B. SPF table
C. RTP table
D. Topology table
E. Query table
F. DUAL table

2.多項(xiàng)選擇題Which statements are true regarding classless routing protocols?()

A. The use of discontiguous subnets is not allowed
B. The use of variable length subnet masks is permitted
C. RIP v1 is a classless routing protocol
D. IGRP supports classless routing within the same autonomous system
E. RIP v2 supports classless routing

3.多項(xiàng)選擇題Which of the following statements regarding EIGRP successor routes is valid?()

A. A successor route is used by EIGRP to forward traffic to destination.
B. Successor routes are saved in the topology table to be used if the primary route fails.
C. Successor routes are flagged as "active" in the routing table.
D. A successor route may be backed up by a feasible successor route.
E. Successor routes are stored in the neighbor table following the discovery process.

4.單項(xiàng)選擇題In what location are EIGRP successor routes stored?()

A. In the routing table only.
B. In the neighbor table only.
C. In the topology table only.
D. In the routing table and neighbor table.
E. In the routing table and topology table.
F. In the topology table and neighbor table.

5.單項(xiàng)選擇題A new network has been configured using OSPF as the routing protocol. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?()

A. point-to-point
B. Backbone area 0
C. Broadcast multicast
D. Non-broadcast multi-access
E. The DR/BDR process is done for all interface types

6.單項(xiàng)選擇題The routers named Testking1 and Testking2 are both configured with RIP only.What will happen in the event of Testking1 receiving a routing update that contains a higher cost path to a network already in its routing table?()

A. The update information will be added to the existing routing table.
B. The update information will replace the existing routing table entry.
C. The update will be ignored and thus no further action will occur.
D. The existing routing table entry will be purged from the routing table and all routers will attempt convergence.

8.單項(xiàng)選擇題

A RIP router has an entry in the routing table for a specific network destination. It then gets updated with another entry for that same destination, but with a higher path cost (hop count) than the one already in the routing table.
What will the router do in this situation?()

A. It will ignore the update and take no further action.
B. It will add the update information to its routing table.
C. It will replace the existing routing table entry with the update information.
D. It will delete the existing routing table and will send out hello packets to rebuild the routing table.

9.單項(xiàng)選擇題

The Testking network is utilizing RIP as the IP routing protocol. Router TK1 learns how to reach the same destination via 6 different paths. All paths have the same metric and administrative distance.
With all routers using the default operation,which of the paths will be chosen to reach the destination?()

A. Only the first two paths that are learned.
B. Four of the paths.
C. All six routes in a routed robin fashion.
D. The oldest two paths in the routing table.
E. The first path learned to the destination network.

10.多項(xiàng)選擇題Which of the following statements are correct in regard to classless routing protocols?()

A. Discontiguous subnets are not allowed.
B. Variable length subnet masks are allowed.
C. RIP v1 is a classless routing protocol.
D. IGRP supports classless routing within the same autonomous system.
E. RIP v2 supports classless routing.

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