Topic 4c
Internet Protocols

Learning Objectives

By the end of this topic students should be able to:

• Give a general explanation of how a web page is requested/received by a web browser.
• Explain the concept of ports in internet traffic.
• Explain the difference between TCP and UDP and why we want (need) both.

Learning Materials

• Readings
• Section 4.4 - pp 215-222 in your book

 

Checking for Understanding

Answer the following questions from your textbook. The answers to all Q&E questions are in the back of your book in Appendix F.

• p 222, #2
• p 222, #3
• What network traffic is generated when you type a URL into your browser to load a webpage?

Answers & Guidance

The answers to the CFU questions above are provided in the back of the book. The following videos explain how we would arrive at some of those answers.

• CFU - p 222, #2
• Network traffic to load a webpage