Your network contains an Active Directory domain named contoso.com. The domain contains several domain controllers. The domain controllers run either Windows Server 2012 or Windows Server 2008 R2. The domain functional level is Windows Server 2008 R2. The forest functional level is Windows Server 2008. The corporate compliance policy states that all items deleted from Active Directory must be recoverable from a Recycle Bin. You need to recommend changes to the current environment to meet the compliance policy. Which changes should you recommend? (Each correct answer presents part of the solution. Choose all that apply.)
A. Raise the forest functional level to Windows Server 2008 R2.
B. Run the Enable-ADOptionalFeature cmdlet.
C. Run the New-ADObject cmdlet.
D. Run the Set-Server cmdlet
E. Raise the domain functional level to Windows Server 2012.