1. The document discusses different types of computer networks including peer-to-peer networks and client/server networks. It describes the basic topology and functions of these networks.
2. Common network mediums are described such as cable, wireless networks, and the different types of cabling used including coaxial, UTP and fiber optic cables.
3. Network devices that can be used are also mentioned like hubs, switches and network interface cards. The roles of clients and servers in client/server networks are defined at a high level.