Provides concise, fact-filled descriptions that cover the "nuts and bolts" of local area networks, targeting the programmer who must learn all facets of networking. Features the latest information on network protocols, bridges, routers, network management and security, E-Mail, client and fax services. Demonstrates network implementation details vital to a variety of configurations--PC to PC, PC to mini and mainframe, and LANS plus actual examples of how bridges and routers work.