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 imagex.exe command
B. The dism.exe command
C. The setup.exe command
D. The ocsetup.exe command

Correct Answer: B
Explanation/Reference:
Explanation:
The DISM command is called by the Add-WindowsFeature command. Here is the systax for DISM:
Dism /online /enable-feature /featurename:ServerCore-FullServer /featurename:Server- Gui-Shell /featurename:Server-Gui-Mgmt