Network design plan | Computer Science homework help

how a can Create a wired and wireless network plan to accommodate each office and cubicle. Each desktop location should have the capacity to connect 1 desktop computer and one telephone. There should be a central telephone switch and 3 servers (email, file server and web server). You should assume that the office will have a cable modem provided by the local cable company for broadband Internet access. There should be some provisions made for future growth (doubling up of offices for example) or for adding additional servers. You also need to add a computer room someplace.
Provide a network design plan that includes the make, model and number of each network component (routers, switches, etc). You can use the Internet to research manufactures of network equipment.