What should you do to prevent users from storing more than 500 MB of data on FTP2?

Your network contains an FTP server that runs Windows Server 2008 R2.
The server has two FTP sites.
The sites are configured as shown in the following table.

You need to prevent users from storing more than 500 MB of data on FTP2.
The users must be able to store at least 900 MB of data on FTP1.

What should you do?

A.
Modify the properties of the FTP1 site.

B.
Modify the properties of the FTP2 site

C.
Create a disk quota from Windows Explorer.

D.
Install File Server Resource Manager (FSRM) and create a quota.

Explanation: