A company has a department that consists of 15 engineers. The engineers have data that needs to be accessible only to their own team. The department continually has engineers arriving and departing, and it is difficult to identify a single administrator for the department Which model would be the best for this situation?

• A master domain mode, with each engineer trusting the master domain and the data stored on the server
• A single domain mode, with all data kept on the controller for the domain
• A complete trust mode, with each engineer's computer trusting the other engineer's computers
• A workgroup mode, with each engineer administering his or her own computer