Which 3 actions should you perform?

Server 1 and Server2 host a load-balanced Application pool named AppPool1.
You need to ensure thatAppPool1 uses a group Managed Service Account as its identity.
Which 3 actions should you perform?

A.
I believe it should be Install a domain controller that runs Windows Server 2012, Run the NewADServiceAccountcmdlet, Modify the settings of AppPool1.

B.
Configure the Security settings of the contoso.com zone.

C.
Add a second legacy network adapter, and then runthe Set-VMNetworkAdoptercmdlet.

D.
From Windows Powershell, run Get-DNSServerDiagnostics.