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 dism.exe command

B.
the Add-WindowsFeature cmdlet

C.
the imagex.exe command

D.
the setup.exe command

E.
the ocsetup.exe command

F.
the Add-WindowsPackage cmdlet

G.
the Install-Module cmdlet

H.
the Install-RoleService cmdlet

Explanation:
Add-WindowsFeature -The Add-WindowsFeature cmdlet allows you to install specified roles, role services, and features on a computer that is running Windows
Server 2008 R2.
Install-WindowsFeature -Installs one or more Windows Server roles, role services, or features on either the local or a specified remote server that is running
Windows Server 2012 R2. This cmdlet is equivalent to and replaces Add-WindowsFeature, the cmdlet that was used to install roles, role services, and features in
Windows Server 2008 R2.
dism /online /get-features PS C:\\> Install-WindowsFeature -Name Web-Server IncludeAllSubFeature -ComputerName Server1 WhatIf