You perform a Server Core Installation of Windows Server 2012 R2 on a server named Server1.
You need to add a graphical user interface (GUI) toServer1.
Which tool should you use?

A.
The imagex.exe command

B.
The ocsetup.exe command

C.
The setup.exe command

D.
The dism.exe command

Explanation:
http://technet.microsoft.com/en-us/library/hh825265.aspx
DISM.exe /Online [/Get-Packages | /Get-PackageInfo | /Add-Package | /Remove-Package ] [/Get-Features |/
Get-FeatureInfo | /Enable-Feature | /Disable-Feature ] [/Cleanup-Image]