Methods on extending networks using repeaters, bridges, and gateways, their selection and installation, optimum wiring configurations for specific application needs, troubleshooting and fixing the source of network malfunctions, designing and installing bus, ring, and star network topologies, encrypting and formatting data, E-mail, word processing, and database systems function on a LAN are among the subjects covered. A series of reference sections give definitions of commonly used jargon, tips for identifying network vendors by their address, an overview of IEEE, ANSI, and ISO standards, procedures for implementing SNMP and CMOT LAN management philosophies, bandwidth considerations, and tips for connecting modems and terminals to a LAN.