The document is a diagram of C.E.F. Bank's wide area network (WAN). It shows the bank's headquarters fully connected via T-3 lines with Cat 6 cabling and Aironet access points. The headquarters is also connected via T-1 lines to offices in New York, Chicago, and Wisconsin, with each office containing switches/hubs, servers, workstations, and wireless access via Aironet access points for laptops, tablets, and smartphones within their local area networks arranged in a ring topology.