Explain wan protocols operate on which layer of osi model

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Describe the OSI model and how it relates to a network in 200 to 300 words. Your response must 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?

Reference no: EM1369455

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