The basement houses the maintenance department, information technology and the mail room. The mail room clerk doesn$$t use the computers at all. The two maintenance workers have computers at their desks that they use to enter reports of work performed. The IT Department has seven employees, each with a desktop computer. They also manage the server farm, which includes two domain controllers, one print server, one mail server, one database server, one internal web server, one external web server $($on the DMZ interface of the firewall$),$ a file server, a special server for the ERP system, and a backup server.