Several Computers in Your Organization Are Being Used from Within

Multiple Choice

Several computers in your organization are being used from within the building after hours when the company is closed. Your manager has asked you to configure the computers to limit access to business hours.  
Which of the following steps can be taken to limit access to the computers?

A) Configure logon time restrictions.
B) Set the BIOS to automatically power off the computers at closing time.
C) Disable Microsoft account resources.
D) Change the user account passwords.