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QUESTION
OSI Model
IT/242
Describe the open systems interconnection (OSI) model and how it relates to a network in 200 to 350 words. 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 OSI layers?
