For this lab exercise, do the "Getting Started" Wireshark lab from the textbook companion web site. To see this lab, first go to Companion Website for Computer Networking: A Top-Down Approach. Then click on "Wireshark Labs". Here, you may need to register using a code in the front of your book. When you get to the "Wireshark Labs" web page, read through it, then click on "Getting Started".
You should turn in your answers to the 4 questions in the "What to hand in" section of the "Getting Started" Wireshark lab. Although you should try the "Additional Exercises", you need not turn in anything for them.