Specifies whether or not the user is prompted for a password when the system resumes from sleep. If you enable this policy, ...

Specifies whether or not the user is prompted for a password when the system resumes from sleep. 

If you enable this policy, or if it is not configured, the user is prompted for a password when the system resumes from sleep. 

If you disable this policy, the user is not prompted for a password when the system resumes from sleep.