You need to back up a site collection by using a SQL database snapshot

You have a SharePoint Server 2010 Service Pack 1 (SP1) server farm. You need to back up a site
collection by using a SQL database snapshot. What should you do?

A.
From the SharePoint 2010 Management Shell, run the backup-spsite cmdlet.

B.
From the command prompt, run the stsadm.exe command.

C.
From Central Administration, perform a component-level backup.

D.
From Central Administration, perform a granular backup.