Your question is Understanding the OSI Model Layers. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain the OSI (Open Systems Interconnection) model and detail the function of each of its seven layers. Why is the OSI model important in networking and software design? What are the primary responsibilities of each layer?