R1 and R2 cannot form an OSPF neighborship. What is the problem?
A. The area IDs of R1 and R2 are mismatched
B. Ethernet0/1 of R1 is configured with a non-default OSPF hello interval
C. The Layer 2 encapsulation of the serial links is mismatched
D. The OSPF hello and dead interval are mismatched
Answer:B
R1 and R2 cannot form an OSPF neighborship. What is the problem?
A. The area IDs of R1 and R2 are mismatched B. Ethernet0/1 of R1 is configured with a non-default OSPF hello interval C. The Layer 2 encapsulation of the serial links is mismatched D. The OSPF hello and dead interval are mismatched