All RDP connections to virtual desktops must use the Horizon Client. Direct RDP
connections using alternate clients must be disabled due to security considerations. Which
step must be taken to prevent direct RDP connections?

A.
Select No for the Allow users to choose protocol option and select PCoIP as the default
protocol.

B.
Apply the AllowDirectRDP GPO to the virtual desktops.

C.
Apply the AllowDirectRDP GPO to the Connection Server.

D.
Select Yes for the Allow users to choose protocol option and disable RDP access in the
global policies.