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