Why are the interfaces missing?
A. R4 has been incorrectly configured to be in another AS, so it does not peer with R5.
B. The loopback addresses haven't been advertised, and the network command is missing on R4.
C. The interfaces are shutdown, so they are not being advertised.
D. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed.
Answer:A
Why are the interfaces missing?
A. R4 has been incorrectly configured to be in another AS, so it does not peer with R5. B. The loopback addresses haven't been advertised, and the network command is missing on R4. C. The interfaces are shutdown, so they are not being advertised. D. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed.
Explanation: Explanation/Reference: