What should you do first?

You work as a Network Administrator at AIOTestking.com. AIOTestking.com has an Active Directory
Domain Services (AD DS) domain named AIOTestking.com. All servers in the AIOTestking.com domain
have either Windows Server 2008 R2 or Windows Server 2012 R2 installed.
The network includes virtual machines (VMs) running on Windows Server 2012 R2 Hyper-V host
servers.
The Schema Master FSMO role is hosted by Windows Server 2012 R2 domain controller. All
other FSMO roles are hosted on Windows Server 2008 R2 domain controllers.

A VM named TESTKING-DC12 runs Windows Server 2012 R2 and is configured as a domain
controller. TESTKING-DC12 does not hold any FSMO roles.
You want to clone TESTKING-DC12.
What should you do first?

A.
You should transfer the Infrastructure Master FSMO role to a Windows Server 2012 R2 domain
controller.

B.
You should transfer the Domain Naming Master FSMO role to a Windows Server 2012 R2
domain controller.

C.
You should transfer the PDC Emulator FSMO role to a Windows Server 2012 R2 domain
controller.

D.
You should transfer the Schema Master FSMO role to a Windows Server 2008 R2 domain
controller.

E.
You should transfer the Relative ID Master FSMO role to a Windows Server 2012 R2 domain
controller.