Which of the following statements regarding CallManager Redundancy Groups is valid? (Choose all that apply)
A.
A CallManager Redundancy Group is a subset of a cluster.
B.
Members of a cluster are also members of a Redundancy Group.
C.
All devices in a cluster should be assigned to multiple CallManager Redundancy Groups.
D.
All devices in a cluster should be assigned to a single CallManager Redundancy Group.
E.
Devices are not assigned to CallManager Redundancy Groups.
F.
Members of a Cluster substitutes as a subset of a CallManager Redundancy Group.