Your network contains multiple Active Directory sites.
You have a Distributed File System (DFS) namespace that has a folder target in each site.
You discover that some client computers connect to DFS targets in other sites.
You need to ensure that the client computers only connect to a DFS target in their respective site.
What should you modify?
A.
The properties of the Active Directory sites
B.
The properties of the Active Directory site links
C.
The delegation settings of the namespace
D.
The referral settings of the namespace
Explanation:
http://www.windowsnetworking.com/articles_tutorials/Configuring-DFS-Namespaces.html
As said, D is correct (you select “Exclude targets outside of the client’s site”): https://msdn.microsoft.com/en-us/library/Cc732414.aspx