This is dealing with Cisco Packet Tracer. I need help getting the basics down for this. I am getting confused with the server part. Here are the instructions:

1.) 20 workstations (desktops) a. 3 Executive desktops b. 2 Accounting desktops c. 2 HR desktops d. IT desktops 2.) Webservers, Email servers, IT database, HR database, Accounting database 3.) Printer for each department 4.) Workstations, Accounting, HR should not be able to access any other network 5.) Executives can access HR, Accounting databases 6.) IT can access everything 7.) IT personnel distributed a. 2 with workstations b. 1 with HR c. 1 with Accounting d. 1 with Executive 8.) Secure WiFi and secure guest WiFi (only Internet access) 9.) Internet (simulated) 10.) Executives need tablets and smartphones 11.) Managers need smartphones a. 2 with workstations b. 1 with HR c. 1 with Accounting d. All Executives (including IT) 12.) Add voIP devices: a. Each Exec gets their own b. Each department gets one 1.) 20 workstations (desktops) a. 3 Executive desktops b. 2 Accounting desktops c. 2 HR desktops d. IT desktops 2.) Webservers, Email servers, IT database, HR database, Accounting database 3.) Printer for each department 4.) Workstations, Accounting, HR should not be able to access any other network 5.) Executives can access HR, Accounting databases 6.) IT can access everything 7.) IT personnel distributed a. 2 with workstations b. 1 with HR c. 1 with Accounting d. 1 with Executive 8.) Secure WiFi and secure guest WiFi (only Internet access) 9.) Internet (simulated) 10.) Executives need tablets and smartphones 11.) Managers need smartphones a. 2 with workstations b. 1 with HR c. 1 with Accounting d. All Executives (including IT) 12.) Add voIP devices: a. Each Exec gets their own b. Each department gets one