YouhaveanExchangeServer2010organizationnamedcontoso.com.YourcompanyisinvestigatingausernamedUser1.YouneedtopreventUser1frompermanentlydeletingtheitemsinhismailbox.Whatshouldyourun()?
A.Set-MailboxUser1-LitigationHoldEnabled$true
B.Set-MailboxUser1-ModerationEnabled$true
C.Set-MailboxUser1-RetainDeletedItemsUntilBackup$true
D.Set-MailboxUser1-RetentionHoldEnabled$true