Your infrastructure divided in 2 sites. You have a forest root domain and child domain. There is only one DC on
site 2 with no FSMO roles. The link goes down to site 2 and no users can log on.
What FSMO roles you need on to restore the access?
A.
Infrastructure master
B.
RID master
C.
Domain Naming master
D.
PCD emulator
Explanation:
D: The PDC emulator is used as a reference DC to double-check incorrect passwords and it also receivesnew
password changes.
http://technet.microsoft.com/en-us/library/cc773108(v=ws.10).aspx