Your network contains a server named Server1 that runs Windows Server 2008 R2.
Server1 has the Remote Desktop Session Host (RD Session Host) role service installed.
Server1 hosts a RemoteApp program named App1.

You need to view a list of users who are currently running App1.

The list must display the CPU resources that App1 uses for each user.

Which tool should you use?

A.
Performance Monitor

B.
RemoteApp Manager

C.
Remote Desktop Services Manager

D.
Resource Monitor

Explanation: