Which three Interfaces can be used to add, change, and remove a Communication Manager (CM) H.323 Endpoint? (Choose three.)

Which three Interfaces can be used to add, change, and remove a Communication Manager (CM) H.323 Endpoint? (Choose three.)
A . Linux Command Line at CM Server.
B . “Communication Manager” Administration menu at Avaya Aura® System Manager (SMGR).
C . Avaya Site Administration Terminal Emulation.
D . SMI Web-Interface at CM Server.
E . SAT terminal via SSH-session (for example, Putty).

Answer: B,C,E