Web Page Design: Exercises for Section 12

After you have read section 12, ponder the following:

  1. If DNS didn't exist, how would web pages be located?
  2. If a browser did not cache pages or images, what would happen if you press the "Back" button on a browser?
  3. What role does your ISP play for you?

Answers

  1. By IP address (example: 129.44.77.89).
  2. All of the connections would have to be re-made, all of the previous page images would have to be re-fetched.
  3. It temporarily places your computer on the internet, giving it a temporary IP address for all the connections you make.

Go to Contents