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