Your network contains an Active Directory domain named contoso.com. The domain contains a server named
Server1. Server1 runs Windows Server 2012 R2 and has the Hyper-V server role installed.
On Server1, you create a virtual machine named VM1.
When you try to add a RemoteFX 3D Video Adapter to VM1, you discover that the option is unavailable as
shown in the following exhibit. (Click the Exhibit button.)

You need to add the RemoteFX 3D Video Adapter to VM1.
What should you do first?

A.
On Server1, run the Add-VMRemoteFx3dVideoAdapter cmdlet

B.
On Server1, install the Media Foundation feature.

C.
On Server1, run the Enable-VMRemoteFxPhysicalVideoAdapter cmdlet.

D.
On Server1, install the Remote Desktop Visualization Host (RD Visualization Host) role service.

Explanation:
Explanation/Reference:Remote Desktop services are not available in server core installation; you need to add the role.

Exam Ref 70-410: Installing and Configuring Windows Server 2012 R2, Chapter 1: Installing and Configuring
servers, Objective 1.2: Configure servers, p. 19
http://technet.microsoft.com/en-us/library/hh848506(v=wps.620).aspx
http://technet.microsoft.com/en-us/library/hh848520(v=wps.620).aspx
http://technet.microsoft.com/en-us/library/ff817586(v=ws.10).aspx