You are troubleshooting an OSPF adjacency that is stuck in the ExStart state.
What would be the correct step to resolve the problem?
A.
Look for a mismatched IP subnet or mask.
B.
Determine whether the neighbor is a DR-Other.
C.
Determine whether the hello and dead intervals are the same on both sides.
D.
Review the MTU settings to ensure that they match.
Explanation: