Your network contains an Active Directory domain named contoso.com. All domain controllers run Windows
Server 2012 R2.
On all of the domain controllers, Windows is installed in C:\Windows and the Active Directory databaseis
located in D:\Windows\NTDS\.
All of the domain controllers have a third-party application installed.
The operating system fails to recognize that the application is compatible with domain controller cloning.
You verify with the application vendor that the application supports domain controller cloning.
You need to prepare a domain controller for cloning.
What should you do?

A.
In C:\Windows\, create an XML file named DCCIoneConfig.xml and add the application information to the
file.

B.
In the root of a USB flash drive, add the application information to an XML file named
DefaultDCCIoneAllowList.xml.

C.
In D:\Windows\NTDS\, create an XML file named DCCIoneConfig.xml and add the application information
to the file.

D.
In D:\Windows\NTDS\, create an XML file named CustomDCCIoneAllowList.xml and add the application
information to the file.

Explanation:
http://blogs.dirteam.com/blogs/sanderberkouwer/archive/2012/09/10/new-features-in- active-directorydomainservices-in-windows-server-2012-part-13-domain-controller- cloning.aspx
Place the CustomDCCloneAllowList.xml file in the same folder as the Active Directory database (ntds.dit) on
the source Domain Controller.