You need to perform a snapshot of a mailbox database

You have an Exchange Server 2007 environment. You need to perform a snapshot of a mailbox database. What should you do?

A.
Use the Vssadmin.exe command-line tool

B.
Use the Eseutil.exe command-line tool

C.
Run the Clean-MailboxDatabase cmdlet

D.
Run the Set-StorageGroup cmdlet