Which of the following actions should you take?

You work as an administrator at Contoso.com. The Contoso.com network consists of a single domain named Contoso.com. Subsequent to deploying a Server Core Installation of Windows Server 2012 on a new Contoso.com server, you are instructed to add a graphical user interface (GUI) to the server.
You want to achieve this goal from the command prompt. Which of the following actions should you take?
A. You should consider making use of the dism.exe command.
B. You should consider making use of the dsquery.exe command.
C. You should consider making use of the dsadd.exe command.
D. You should consider making use of the dsrm.exe command.