Question: Write a 2-3 page paper describing the OSI model and how it relates to a network. Your response should include answers to the following: On which layers of the OSI model do WAN protocols operate? What are some of these protocols? On which OSI layers do switches and routers operate? If routers reside at more than one layer, what is the difference between the OSI layers? Introduction: The OSI (open systems interconnection) framework was launched in 1984. Even though it was planned to be a theoretical framework, the OSI (open systems interconnection) framework stays as a handy model nowadays for key network engineering akin to Ethernet and protocols similar to IP. The OSI framework characterizes internetworking in provisos of a upright stack of seven layers. The upper...