An interface is configured on a router for OSPF but the command "show router ospf neighbor" does not show any neighbors. Which of the following is NOT a possible cause?

Question

Options

• AAn OSPF database description packet has not been received from the neighbor.
• BThe interface facing the neighbor is down.
• CThe interface is included in a different area than the neighbor router.
• DThe router has not received a valid OSPF Hello packet from its neighbor.

• A
  74% (28)
• B
  3% (1)
• C
  8% (3)
• D
  16% (6)

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