I teach computer classes, and we don't have enough room, or enough spare parts to take apart and put together computers, networks, or the equipment that goes with them. To get the concepts accross, I use simulation software. testout.com provides the necessary video instruction on topics and simulations on every topic they cover. This includes training for A+, Net+, Security+, CCNA, and more. They also cover many Microsoft Certs. The students love it, and we don't have to try to keep a large inventory of components for students to use. I have sample patch panels, and lengths of Cat5 cable… >>>