What should you perform?

You have a server named Data1 that runs a Server Core Installation of Windows Server
2012 R2 Standard.
You need to configure Dat 1 to run a Server Core Installation of Windows Server 2012 R2
Datacenter. You want to achieve this goal by using the minimum amount of administrative
effort.
What should you perform?

A.
An online servicing by using Dism

B.
An offline servicing by using Dism

C.
An upgrade installation of Windows Server 2012 R2

D.
A clean installation of Windows Server 2012 R2

Explanation:
There are a couple of ways to install the GUI from the command prompt, although both use
the same tool – DISM (Deployment Image Service Manager). When you are doing it for a
single (local) server, the command is:
Dism /online /enable-feature /featurename:ServerCore-FullServer /featurename:…
Incorrect answers:
A: This option involves too much administrative effort whereas you could just use a DISM
command once.
B: This should work, but not with the east amount of administrative effort.
D: The DISM utility needs to be used online, not offline.
References:
Training Guide: Installing and Configuring Windows Server 2012: Chapter 2: Deploying
Servers, p. 44
Exam Ref 70-410: Installing and Configuring Windows Server 2012: Chapter 1: Installing
and Configuring Servers, p. 19-22