Your company has an Active Directory Domain Services (AD DS) domain. You are installing the RD Session Host (RD Session Host) role service in Server Manager on a server that runs Windows Server 2008 R2.<br /> The Audio and video playback check box on the Configure Client Experience page is not available.<br /> You need to ensure that you can enable audio and video playback for users connecting to the RD Session Host server.<br /> Which two actions should you perform? ()
A、Start the Windows Audio service.
B、Install the Desktop Experience feature.
C、Install Connection Manager Administration Kit feature.
D、Start the Windows Audio EndPoint Builder service.