Select the missing tool name from the sentence below:
You can use the __.exe tool to create installation media for additional domain controllers that you are creating
in a domain.
By using the Install from Media (IFM) option, you can minimize the replication of directory data over the
network.
This helps you install additional domain controllers in remote sites more efficiently.

A.
Dsutil

B.
Ntfrsutl

C.
Mqtgsvc

D.
Ntdsutil

Explanation:
http://technet.microsoft.com/en-us/library/cc770654(v=ws.10).aspx