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 illustrates the steps for creating a policy.

Backup policies are defined both at the administrative level in the Web Management Interface 
and at the local agent level using the Agent User Interface. Policies can be very granular, even 
allowing you to create multiple backup tasks in one Files and Folders object, if desired. Such 
an object can contain more than one folder. You can also define the number of revisions to keep 
when configuring the backup policy.

A legacy style CDP policy is defined by default at the administrative level and is inherited by 
agents connected to the SonicWALL CDP appliance. At the agent level, you can edit this default 
policy to add files and folders for backup to the CDP object, but you cannot create a new CDP 
object. A CDP object differs from a Files and Folders or Application object in that the defined 
files and folders are backed up as separate entities, not as FileSets. CDP policies use Interval 
scheduling, which back up changed data continuously or at a set interval, rather than Event 
scheduling in which you can set dates for backups to occur. The default CDP policy 
accommodates policies from previous versions of SonicWALL CDP after upgrading.

The rules within Files and Folders objects are flexible, providing the ability to include or exclude 
files or folders at any level. Rules are defined at both the administrative level and the agent 
level, with administrative rules taking precedence over local rules. CDP type objects also 
provide similar rule functionality. Application objects do not use rules in the same format, but 
allow you to select the application components to back up, such as individual user mailboxes 
or system state files.