Your network contains a server named Server1 that runs Windows Server 2008 R2.
You have a Microsoft Application Virtualization (AppV) application named App1.

You need to publish App1 as a RemoteApp program.

Which role service should you install on Server1?

A.
Remote Desktop Gateway (RD Gateway)

B.
Remote Desktop Session Host (RD Session Host)

C.
Remote Desktop Virtualization Host (RD Virtualization Host)

D.
Remote Desktop Web Access (RD Web Access)