Refer to the exhibit. The interfaces of all routers are configured
for OSPF area 0. R3 can ping R1, but the two routers are unable to establish a
neighbor adjacency. What should the network administrator do to troubleshoot
this problem?
Check if the interfaces of the routers are enabled.
Check the hello and dead intervals between the routers.
Check the process ID of both routers.
Check if CDP is enabled on all the routers.
cisco certification 200-125 ccna exam preparation with practice questions and Answers
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