Practical Networking is a comprehensive reference to every connectivity option available. This book explains and compares the latest technologies to help you understand the technology and put your knowledge to work. The book begins with a primer on general networking concepts and the description of LANs and networks. You then progress through sections on hardware and various networking standards including an excellent easy-to-understand explanation of the seven-layer OSI model. Also included are thorough sections on network operating systems, as well as material that focuses on connectivity of a network to other networks and mainframe computers.