How Networks Work is the most accessible, most visual introduction to the inner workings of networks ever written. This Seventh Edition has been fully updated for the latest networking technologies, including Voice over Internet (VoIP), advanced wireless networking, and broadband, as well as issues surrounding convergence. Its stunning four-color graphics take students on an unforgettable journey through the inner workings of todays networks. Authored by Les Freed and Frank Derfler, who cover networking for PC Magazine, this book delivers simple explanations that cut through networking jargon. The authors first illuminate the basic principles of signaling and information packaging that are used in all networks, and then describe every significant type of network, from the Internet to wireless to traditional telephone networks, as well as every significant piece of network equipment. Up-to-the-minute coverage includes set-top boxes and personal video records (e.g., Tivo); networking with wireless Palms and other PDAs; and much more.