What is OSI model? What are the layers and what are the devices associated with those layers?

Conduct research and develop a paper to answer the following questions in detail. Your paper must meet the requirements listed below.
Topics to be covered:

What is OSI model? What are the layers and what are the devices associated with those layers?
What are major protocols used in networking? where are those belonging to in OSI model?
What are major network devices? what each one does? how do those relate to OSI model and the protocols?
What are wireless communication standards? how do those fit into OSI model?
Requirements:R