What causes this behavior?

You execute the operational-mode command show ospf neighbor and notice that one neighbor relationship remains in the exStart state.

What causes this behavior?
A . The authentication parameters do not match on each end of the link.
B . The area IDs do not match on each end of the link.
C . The MTU does not match on each end of the link.
D . The dead interval does not match on each end of the link.

View Answer

Answer: C