Which tool should you use?

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) to Server1.
Which tool should you use?

A.
The Install-WindowsFeaturecmdlet

B.
The Install-Module cmdlet

C.
The Install-RoleServicecmdlet

D.
The setup.exe command

Explanation:
The DISM command is called by the Add-WindowsFeature commanD. Here is the syntax for
DISM:
Dism /online /enable-feature /featurename:ServerCore-FullServer /featurename:Server-GuiShell /featurename:Server-Gui-Mgmt