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. You need
to ensure that Remote Desktop users can use the user interface elements of Windows
Aero. What should you do on Server1?

A.
Change the display settings.

B.
Add the Desktop Experience feature.

C.
Install a DirectX 10 compliant video adapter.

D.
Add the Quality Windows Audio Video Experience feature.