You are the administrator for a SharePoint 2010 farm.
You need to design a restore plan for end users of documents to meet the following requirements:
Each user must be able to recover documents that they have deleted.
Deleted items must be retained for 30 days.
End users must be able to permanently delete documents when needed.
What should you do? (Choose the best answer.)

A.
• Turn on the first-stage Recycle Bin.
• Create a Windows Task Schedule for daily backup of sites.

B.
• Turn on the first-stage Recycle Bin.
• Turn off the second-stage Recycle Bin.

C.
• Turn on the first-stage Recycle Bin.
• Use Central Administration to back up and restore sites.

D.
• Turn off the first-stage Recycle Bin.
• Use the Microsoft STSADM command-line tool to perform the backup and restore of sites,