If you made it this far and understood everything the first time through, you should be proud of yourself. We really covered a lot of ground in this chapter, but understand that the information in this chapter is key to being able to navigate through the rest of this book.
And even if you didn’t get a complete understanding the first time around, don’t stress. It really wouldn’t hurt you to read this chapter more than once. There is still a lot of ground to cover, so make sure you’ve got it all down, and get ready for more. What we’re doing is building a foundation, and you want a strong foundation, right?
After you learned about the DoD model, the layers, and associated protocols, you learned about the oh-so-important IP addressing. ...