What are the characteristics of a Cisco Unified Communications Manager group?
A. Each call-processing server can be assigned to a single Cisco Unified Communications Manager group.
B. A Cisco Unified Communications Manager group is a prioritized list of (one or more) call-processing and application servers.
C. Each device has to have a Cisco Unified Communications Manager group assigned, which will determine the primary and backup servers to which it can register.
D. A single Cisco Unified Communications Manager group can exist in a single cluster.
correct answer is C. Each device has to have a Cisco Unified Communications Manager group assigned, which will determine the primary and backup servers to which it can register.
B is wrong. A Cisco Unified Communications Manager group is a prioritized list of (one or more) call-processing application servers, not application servers.
Correct answer is C