What is the reason tor the problem?

Refer to the exhibit.

After these configurations were applied to routers R1 and R2. the two devices cannot form a neighbor relationship.

What is the reason tor the problem?
A . The two routers have the same area I
C . The two routers have different iS-types
D . The two routers have the same network ID
E . The two routers cannot authenticate with one another

View Answer

Answer: D