Summary:Mapping the OSI model to the TCP/IP model is a vital skill for CCNA exam success.  Learn the details of both models from Chris Bryant, CCIE #12933. Keywords:Ccna, exam, certification, tcp, ip, model, networking, osi, session, transport, application, network, mapping, map, free, tutorial Article Body:The OSI model is the model that most networking personnel are familiar with, but to...