Which cmdlet should you use?

Your network contains one Active Directory domain named contoso.com. The forest functional level is Windows
Server 2012. All servers run Windows Server 2012 R2. All client computers run Windows 8.1.
The domain contains 10 domain controllers and a read-only domain controller (RODC) named RODC01. All
domain controllers and RODCs are hosted on a Hyper-V host that runs Windows Server 2012 R2.
You need to identify whether deleted objects can be removed from the Active Directory Recycle Bin.
Which cmdlet should you use?

A.
Get-AdGroupMember

B.
Get-ADDomainControllerPasswordReplicationPolicy

C.
Get-ADDomainControllerPasswordReplicationPolicyUsage

D.
Get-ADDomain

E.
Get-ADOptionalFeature

F.
Get-ADAccountAuthorizationGroup

G.
Get-ADAuthenticationPolicySilo

H.
Get-ADAuthenticationPolicy

Explanation:
The Get-ADOptionalFeature cmdlet gets an optional feature or performs a search to retrieve multiple optional
features from an Active Directory.
Example:Get-ADOptionalFeature ‘Recycle Bin Feature’
Get the optional feature with the name ‘Recycle Bin Feature’.