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.

Explanation:
When you configure an external database entry on IM and Presence, you assign the external
database to a node, or nodes, in your cluster as follows: