Which Statement About Concurrent Agent User Licenses Is True

Multiple Choice

Which statement about concurrent agent user licenses is true?

A) Number of agents that can be registered in more than one Communication Manager simultaneously.
B) Number of agents that can be added to the system.
C) Only the specified number of licensed units can gain access to more than one skill at a time.
D) Only the specified number of licensed units can gain access to and register the agent with Communication Manager at any given time.