You are a desktop support technician for your company. The network consists of an Active Directory domain. All client computers run Windows XP Professional.

Linda reports that her department uses a computer that is not joined to the domain. When users log on to this computer, they click their user account name icons in the list of user accounts and type their passwords. For security reasons, Linda wants users to log on by typing their user names and passwords. You need to ensure that each user is required to type a user name and password in order to log on to the computer.

What should you instruct Linda to do?

A.
Clear the Use Fast User Switching check box in User Accounts in Control Panel.

B.
Clear the Use the Welcome screen check box in User Accounts in Control Panel.

C.
Enable the Interactive logon: Do not display last user name security options policy in the local Group
Policy object (GPO).

D.
Disable the Interactive logon: Do not require CTRL+ALT+DEL security options policy in the local Group Policy object (GPO).