I'm looking for the answers to the tests of the CCNA Network Fundamentals 4.0 of Chapters 2 to 11.?

Question

I only know that chapter 2 starts with these 2 questions:
1) What is a primary function of the trailer information added by the data link layer encapsulation?

2) What is the primary purpose of Layer 4 port assignmen

Answer 1

First of all if the chapter in the book isn't clear on the answer then you need to get on google and look it up. If your intention is to work in this field you need to learn how to research answers to problems. The world of IT is too big to know everything and a good engineer knows how and where to get answers; google is a good start. Begin now in building your IT tool kit.