Which reason for the problem is the most likely?

Refer to the exhibit.

After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship.

Which reason for the problem is the most likely?
A . The two routers cannot authenticate with one another.
B . The two routers have the same area I
D . The two routers have the same network I
F . The two routers have different IS-types.

View Answer

Answer: C