Your network contains an Active Directory forest named contoso.com. The forest contains a single domain. The
domain contains two domain controllers named DC1 and DC2 that run Windows Server 2012 R2.
The domain contains a user named User1 and a global security group named Group1.
You need to add a new domain controller to the domain.You install Windows Server 2012 R2 on a new server named DC3.
Which cmdlet should you run next?

A.
Add-AdPrincipalGroupMembership

B.
Install-AddsDomainController

C.
Install-WindowsFeature

D.
Install-AddsDomain

E.
Rename AdObject

F.
Set AdAccountControl

G.
Set-AdGroup

H.
Set-User

Explanation:
The Install-ADDSDomainController cmdlet installs a domain controller in Active Directory.
Example: C:\\PS>Install-ADDSDomainController -InstallDns -Credential (Get-Credential CORP\\Administrator) –
DomainName “corp.contoso.com”