The OSPF neighbor relationship has been lost between R1 and R3. What is causing this problem?
A. The serial interface in R1 should be taken out of the shutdown state.
B. A neighbor statement needs to be configured in R1 and R3 pointing at each other.
C. The R1 network type should be changed to point-to-multipoint non-broadcast.
D. The hello, dead and wait timers on R1 need to be reconfigured to match the values on R3.
Answer:C
The OSPF neighbor relationship has been lost between R1 and R3. What is causing this problem?
A. The serial interface in R1 should be taken out of the shutdown state. B. A neighbor statement needs to be configured in R1 and R3 pointing at each other. C. The R1 network type should be changed to point-to-multipoint non-broadcast. D. The hello, dead and wait timers on R1 need to be reconfigured to match the values on R3.