Refer to the exhibit. An OSPF virtual link is configured between RTB and RTA. Based upon the exhibit, why is the virtual link on RTB down?

Question

Exhibit

Options

• AThe cost on each end of the OSPF virtual link must be identical.
• BThere is a unidirectional physical layer issue from RTB to RTA.
• CThe OSPF virtual link neighbor IP address on RTB is incorrect.
• DThe virtual link state on FastEthernet0/0 of RTA must be point-to-multipoint.

• A
  12% (3)
• B
  4% (1)
• C
  80% (20)
• D
  4% (1)

Explanation

Refer to the diagram above and see that the OSPF virtual link neighbor IP address on RTB is incorrect in the IOS screen.

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