• The definition of a wide area network (WAN)
• Components of a WAN
• Key network interfaces
• Using carrier providers for the local interface: telephone (T-carrier systems and digital subscriber line, or DSL), cable, and satellite services
• Broadband WAN carrier systems
• How the Internet can help you assemble your WAN
Networks are often distributed over a wide geographical area, which may encompass too great a distance to tie them together with local area network (LAN) hardware and software. If LANs situated in remote locations need to be connected, they are interworked with a WAN. Of course, this concept assumes the WAN components are selected, assembled, ...