Your network contains an Active Directory domain named contoso.com. All domain controllers run
Windows Server 2012.
You pre-create a read-only domain controller (P.QDC) account named RODC1.
You export the settings of RODC1 to a file named Filel.txt.
You need to promote RODC1 by using File1.txt.
Which tool should you use?

A.
The Install-WindowsFeature cmdlet

B.
The Add-WindowsFeature cmdlet

C.
The Dism command

D.
The Install-ADDSDomainController cmdlet

E.
the Dcpromo command