Refer to the exhibit. Router RTR is attempting to establish BGP neighbor relationshis with
routers RT1 and RT3. On the basis of the information that is presented in the exhibit, which
two statements are true? (Choose two)

A.
RTR has a BGP password set but neighbor 10.0.0.1 does not

B.
RTR has a BGP password set but neighbor 10.0.0.5 does not

C.
RTR has a BGP password set but neighbor 10.0.0.1 has an incorrect password set

D.
RTR has a BGP password set but neighbor 10.0.0.5 has an incorrect password set

E.
Neighbor 10.0.0.1 has a BGP password set but RTR does not

F.
Neighbor 10.0.0.5 has a BGP password set but RTR does not

Explanation:
You can configure MD5 authentication between two BGP peers, MD5 authentication must
be configured with the same password on both BGP peers; otherwise, the connection
between them will not be made. If a router has a password configured for a peer, but the
other peer does not, a message “No MD5 digest from…” will appear on the console while
the routers attempt to establish a Multicast SourceDiscovery Protocol (MSDP) session
between them. Therefore A is correct because RT1 (with an ip address of 10.0.0.1) is not
configured with a password.
Similarly, if the two routers have different passwords configured, a message “Invalid MD5
digest from…” will appear on the screen.