CCNA: Cisco Certified Network Associate — Question 81

An engineer must configure an OSPF neighbor relationship between router R1 and R3. The authentication configuration has been configured and the connecting interfaces are in the same 192.168.1.0/30 subnet. What are the next two steps to complete the configuration? (Choose two.)

Answer options

• A. configure the interfaces as OSPF active on both sides
• B. configure both interfaces with the same area ID
• C. configure the hello and dead timers to match on both sides
• D. configure the same process ID for the router OSPF process
• E. configure the same router ID on both routing processes

Correct answer: A, B

Explanation

To establish an OSPF neighbor relationship, both interfaces need to be configured as OSPF active and assigned to the same area ID, which allows them to communicate. The other options, while important in certain scenarios, are not mandatory for forming a neighbor relationship in this case.