Includes index.

Introduction to data communications and networking, signals, noise, modulation and demodulation, metallic cable transmission media, optical fiber transmission media, digital transmission, multiplexing and t-carriers, wireless communications systems, telephone instruments and signals, the telephone circuit, the public telephone network, cellular telephone concepts, cellular telephone systems, data communications codes, error controls and data formats, data communications hardware, data communications equipment, data-link protocols, network topologies and connectivity devices, local area networks, tcpip protocol suite and internet protocol addressing, networks and subnetworks, network-layer protocols, internet control message protocol, transport layer protocols, internet protocol version 6, configuration and domain name protocols, tcp/ip application-layer protocols, integrated services data networks