Why are the pings failing?
A. The network statement is missing on R5.
B. The loopback interface is shut down on R5.
C. The network statement is missing on R1.
D. The IP address that is configured on the Lo1 interface on R5 is incorrect.
Answer:C
Why are the pings failing?
A. The network statement is missing on R5. B. The loopback interface is shut down on R5. C. The network statement is missing on R1. D. The IP address that is configured on the Lo1 interface on R5 is incorrect.
Explanation: R5 does not have a route to the 10.1.1.1 network, which is the loopback0 IP address of R1.