Which two options are characteristics of configuration templates used by Cisco IOS XR to optimize BGP peering implementations? (Choose two.)
A. Session groups are used to inherit address family-specific configurations.
B. Cisco IOS XR provides by default a session group operating with all the supported address families.
C. Session groups are used to inherit address family-independent configurations.
D. Session groups can be included within a neighbor group.
E. Session groups can include neighbor groups.