Which of the following applications collects, distributes, and aggregates user attributes and capabilities?

A.
Cisco Unity Connection

B.
Cisco Unified Presence

C.
Cisco Unified Communications Manager

D.
Cisco Unified Personal Communicator

Explanation:
OK. StudentGuide Volume 3 Page 5-4
By definition:
Cisco Untfied Presence Collects, aggregates, and distributes user capabilities and attributes so that Cisco Unified Personal Communicator users can see the status of the contacts.