Short description of Network Protocols Map Poster v5: A comprehensive reference for IT and network professionals; An easy to use training tool for IT students; A unique marketing tool for IT hardware, software and services vendors for leads generation and promotional gift; Hundreds of active data and telecommunication protocols well illustrated on one chart in the OSI 7-layers model; Large (27 in x 39 in) and high quality poster for offices, labs, class rooms and home offices.