For which reason can two devices fail to establish an OSPF neighbor relationship?
A) The two devices have different process IDs
B) The two devices have different network types
C) The two devices have different router IDs
D) The two devices have the same area ID

Question

Quizplus · Accepted Answer

OSPF neighbor relationships can fail to establish if the two devices have different network types, as OSPF requires matching network types to form adjacencies. Process IDs and router IDs do not need to match, and having the same area ID is necessary for forming neighbor relationships.

For Which Reason Can Two Devices Fail to Establish an OSPF