You work as the enterprise exchange administrator at Xxx .The Xxx network consists of a domain named xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution. What actions must you take to stop a user named Mia Hamm from removing information from her mailbox?()
A、A.You must use log transactions.
B、B.You must use a legal hold.
C、C.You must use Outlook Protection Rules.
D、D.You must use the Set-Mailbox Mia Hamm -LitigationHoldEnabled $true.