1) What is the most commonly used Network layer protocol?

2) Nevada is the state just east of California, and Carson City is in Nevada. What are the first two digits of the zip code for Carson City, Nevada? Explain how this is related to our chapter.

3) The IP address assigned by my ISP to my home is 50.53.78.221. What class is this address?

4) What is your internal IP address? ______________ What class is it? ______________ Explain where you found your IP address.

5) Refer to the IP header in figure 4.4 on page 123. Explain what the Time To Live field is and how it works.