What is causing the problem?
A. There is a PPP authentication issue; the username is not configured on R3 and R6.
B. There is an OSPF hello and dead interval mismatch.
C. The R3 router ID is configured on R6.
D. There is an area ID mismatch.
Answer:C
What is causing the problem?
A. There is a PPP authentication issue; the username is not configured on R3 and R6. B. There is an OSPF hello and dead interval mismatch. C. The R3 router ID is configured on R6. D. There is an area ID mismatch.