Describe network in terms of the class computer lab?

Setting up a Network in a class commuter lab is not that hard as it sounds. You need some basic materials to do the job even yourself with a little know how. What you need is Computer, cables to set up, softwares and Computer IP addresses. The network allows you to set up customized users and limit their access as well as usage to a certain kind of pogroms / software. You can even describe or limit online access to certain web page.