Refer to the exhibit. An engineer is trying to implement BGP configuration on a router. Which configuration error prevents the ASBR from establishing a BGP neighborship to a directly connected BGP speaker?
A. The routing policy is absent for this Cisco IOS XR eBGP instance.
B. The TCP session parameters are not specified.
C. The VPNv4 address family interferes with the BGP IPv4 address family negotiations.
D. The IPv4 address family configuration under neighbor configuration-mode must be removed.
