Prior to completing this lab, it is best if you clear the DNS cache on the machine you are using. To do this, go to the command prompt and type ipconfig /flushdns. After you have done this, type ipconfig /displaydns at the command prompt to confirm you have removed the DNS cache Open your web browser. Open Wireshark and start a capture. Go back to your web browser and visit the https://www.icann.org/ website. Once the page loads, go back to Wireshark and stop the capture. Answer the following questions 1. Find the DNS request packet associated with your application layer request to visit www Select the packet and provide a screen shot of the entire Wireshark window. (2.5) 2. What was the destination port on the request packet? (2.5) 3. What protocol was used at the transport layer on the DNS request? (2.5) 4. Find the associated DNS response packet. Select the packet and provide a screen shot of the entire Wireshark window. (2.5) 5. What was the source port on the response packet? (2.5) 6. What was the IP address provided for www.icann.org? (2.5) 7. Why did your computer generate a DNS request prior to visiting the ICANN website? Explain the process. (5) Prior to completing this lab, it is best if you clear the DNS cache on the machine you are using. To do this, go to the command prompt and type ipconfig /flushdns. After you have done this, type ipconfig /displaydns at the command prompt to confirm you have removed the DNS cache Open your web browser. Open Wireshark and start a capture. Go back to your web browser and visit the https://www.icann.org/ website. Once the page loads, go back to Wireshark and stop the capture. Answer the following questions 1. Find the DNS request packet associated with your application layer request to visit www Select the packet and provide a screen shot of the entire Wireshark window. (2.5) 2. What was the destination port on the request packet? (2.5) 3. What protocol was used at the transport layer on the DNS request? (2.5) 4. Find the associated DNS response packet. Select the packet and provide a screen shot of the entire Wireshark window. (2.5) 5. What was the source port on the response packet? (2.5) 6. What was the IP address provided for www.icann.org? (2.5) 7. Why did your computer generate a DNS request prior to visiting the ICANN website? Explain the process