You have an Exchange Server 2010 Mailbox server.

You need to identify which users have the largest mailboxes on the server.

What should you do?

A.
Run the Get-MailBoxStatistics cmdlet.

B.
Run the Get-StoreUsageStatistics cmdlet.

C.
Add the MSExchangeIS Client performance counters to the Performance Monitor.

D.
Add the MSExchangeIS Mailbox performance counters to the Performance Monitor.