You Are the System Administrator Tasked with Raising the Domain

Multiple Choice

You are the system administrator tasked with raising the domain functional level of domainA.com from Windows Server 2008 to Windows Server 2012 R2. First, you upgrade the domain controllers running Windows Server 2008 to Windows Server 2012 R2. Which of the following commands must you run next in Windows PowerShell to complete your task?

A) Set-ADForestMode -Identity domainA.com -ForestMode Windows2012R2Domain
B) Get-ADDomain | select PDCEmulator,RIDMaster,InfrastructureMaster
C) netdom.exe
D) Set-ADDomainMode -Identity domainA.com -DomainMode Windows2012R2Domain