Urgent anwser needed please

Question 2. Using the steps outlined below, explain how a web page from a web server message goes up each layer in the OSI model in order to be displayed in a web browser. Explain the PDU, the addresses used, and any processes that occur at each layer. (20 marks)

2.1. A web page is sent by a web server to your computer so you can view it using Firefox. It is processed first by the physical layer. What happens to the web page at this layer? (3 marks)

2.2. The message is then sent to the data link layer. Briefly explain what happens to the message at this layer. (4 marks)

2.3. The message is then sent to the network layer. Briefly explain what happens to the message at this layer. (2 marks)

2.4. The message is then sent to the transport layer. Briefly explain what happens to the message at this layer. (4 marks)

2.5. The message is then sent to the application layer. Briefly explain what happens to the message at this layer. (2 marks)

2.6. You have filled out a form on the web page and you press the send to submit the form. Briefly explain what happens on your computer, at each layer, to the data in the form as it is sent back to the web server. (5 marks)