HOTSPOT
You have a server named Server1 that runs Windows Server 2012 R2. Server1 does not have Internet
connectivity.
All roles are removed completely from Server1.
You mount a Windows Server 2012 R2 installation image to the C:\\Source folder.
You need to install the DNS Server server role on Server1.
Which folder should you use as the source? To answer, select the appropriate folder in the answer area.
Hot Area:
Answer: 
Explanation:
WinSxS, the side-by-side component store enables administrators to activate any of the features included withWindows Server 2012 R2 without having to supply an installation medium.http://blogs.technet.com/b/askpfeplat/archive/2013/02/24/how-to-reduce-the-size-of-the-winsxs-directoryandfree-up-disk-space-on-windows-server-2012-using-features-on-demand.aspx
Exam Ref 70-410: Installing and configuring Windows Server 2012 R2, Chapter 1: Installing and configuring
servers, Objective 1.1: Install servers, p. 10.