What is one of the configuration errors within an AS that can stop a Cisco IOS-XR router from announcing certain prefixes to its EBGP peers?
A. Some prefixes were mistagged with the no-export BGP community
B. Some prefixes were set with an MED of 0
C. The outbound BGP route policy only has set actions defined without any pass actions defined
D. The inbound BGP route policy only has set actions defined without any pass actions defined
