Application Layer - HTTP Protocol Do and explain how to do the following tasks by steps or photos: 1. Start Wireshark capture and then enter the following URL into your browser: http://IP of www. After your browser has displayed the web page, quickly re-enter the same URL into your browser again (or simply select the refresh button on your browser) and then stop the Wireshark packet capture. 2. Analyze the captured HTTP traffic and then answer the following questions: a. Inspect the contents of the first HTTP GET request from your browser to the server. Do you see an "IF-MODIFIED-SINCE" line in the HTTIP GET? b. Inspect the contents of the first server response before the page refresh. How can you Did the server explicitly return the contents of the file? tell? c. Now inspect the contents of the second HTTP GET request issued after the page refresh, from your browser to the server (ignore those http requests/responses related to favicon.ico web page, if any). Do you see an "IF-MODIFIED-SINCE:" line in the HTTP GET? If so, what information follows the "IF-MODIFIED-SINCE:" header? d. What is the HTTP status code and phrase returned from the server in response to this second HTTP GET? Did the server explicitly return the contents of the file? Explain 3. Design and implement an experiment to generate HTTP response code 404. Use the internet to find out about HTTP response code 404