Refer to the exhibit. 
Which statement about the Cisco Unified Presence user, “IT Support,” is true?
A.
The user is logged into Cisco Unified Personal Communicator.
B.
The user is correctly associated with the appropriate Directory Number Line Appearance.
C.
The user has enabled the Do Not Disturb feature on the desk IP phone.
D.
The user has enabled the Do Not Disturb feature on Cisco Unified Personal Communicator.
Explanation: