Your question is Explain 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 Model and give examples to each layer.
Cover all seven layers, identify representative protocols, data units, devices, or technologies at each layer, and explain how a network packet moves through the stack. Include at least one security concern or control associated with the layers.