Your company is investigating a user named User1.
You need to prevent User1 from permanently deleting items from his mailbox.
What should you run?
A. Set-Mailbox User1 LitigationHoldEnabled $true.
B. Set-Mailbox User1 ModerationEnabled $true.
C. Set-Mailbox User1 RetainDeletedltemsUntilBackup $true.
D. Set-Mailbox User1 RetentionHoldEnabled $true.
