This volume provides a comprehensive look at computer networking from the point of view of the network administrator. It examines the key concepts the network administrator must possess to configure and manage today's complex computer networks. The volume guides readers from entry level computer networks to advanced concepts in Ethernet networks, router configuration, TCP/IP networks, local, campus and wide area network configuration, network security, optical networks, voice over IP and industrial networks. The volume provides an introduction to computer networks, computer fundamentals, interconnecting LANs, TCP/IP, introduction to routers, routing protocols, wide area networking, configuring and managing the campus network, network security, wireless networking, optical networks, voice over IP, the network server, Linux networking, and industrial networks. For entry level network administrator assistants, computer network supervisors, system administrators and LAN administrators.