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The OSPF process has been started and the networks have been configured for Area 0 as show

题目

The OSPF process has been started and the networks have been configured for Area 0 as shown in the diagram. The network administrator has several options for configuring RouterB to ensure that it will be preferred as the designated router (DR) for the 172.16.1.0 /24 LAN segment. What configuration tasks could be used to establish this preference (Choose three.)()。

A.Configure the priority value of the Fa0/0 interface of RouterB to a higher value than any other interface on the Ethernet network.

B.Change the router id of Router B by assigning the IP address 172.16.1.130/24 to the Fa0/0 interface of RouterB.

C.Configure a loopback interface on RouterB with an IP address higher than any IP address on the other routers.

D.Change the priority value of the Fa0/0 interface of RouterB to zero.

E.Change the priority values of the Fa0/0 interfaces of RouterA and RouterC to zero.

F.No further configuration is necessary.

参考答案
参考答案:A, C, E