Which statement describes the external database requirement for the Cisco IM and Presence
permanent group chat feature?
A.
All nodes in a Cisco IM and Presence cluster can share a physical external database.
B.
All nodes in a Cisco IM and Presence cluster can share a logical external database.
C.
Each node in a Cisco IM and Presence cluster must have its own physical external database.
D.
Each node in a Cisco IM and Presence cluster must have its own logical external database.
E.
An external database is not mandatory.