You have a server named Server1 that runs a Server Core installation of Windows Server 2012 R2 Standard. You establish a Remote Desktop session to Server1.
You need to identify which task can be performed on Server1 from within the Remote Desktop session.
What should you identify?（）

Your network contains an Active Directory domain named contoso.com. All domain controllers run Windows Server 2008 R2 Service Pack 1 (SP1). One of the domain controllers is named DC1.
The network contains a member server named Server1 that runs Windows Server 2012 R2.
You need to promote Server1 to a domain controller by using install from media (IFM).
What should you do first?（）