Which tool is used to help determine the scale and performance of a Cisco Unified Presence multicluster deployment?

A.
Presence User Profile

B.
Presence Capacity Planning Tool

C.
Cisco Unified Real Time Monitoring Tool

D.
Cisco Unified Presence Serviceability

E.
Cisco Unified Serviceability

Explanation:
OK. StudentGuide Volume 3 Page 5-50:
The Presence User Profile helps determine the scale and performance of a multi-cluster presence deployment and the number of users that can be supported.