Which tool should you use?

Your company recently deployed a new Active Directory forest named contoso.com. The
forest contains two Active Directory sites named Site1 and Site2. The first domain controller
in the forest runs Windows Server 2012 R2.
You need to force the replication of the SYSVOL folder from Site1 to Site2.
Which tool should you use?

A.
Active Directory Sites and Services

B.
DFS Management

C.
Repadmin

D.
Dfsrdiag

Explanation:
D)
In Windows Server 2012 R2, Windows Server 2008 R2, or Windows Server 2008, you
can force replication immediately by using DFS Management, as described in Edit
Replication Schedules. You can also force replication by using the Dfsrdiag SyncNow
command. You can force polling by using the Dfsrdiag PollAD command.
http://technet.microsoft.com/en-us/library/cc773238(v=ws.10).aspx#BKMK_072