how_the_web_works_1605.md

How The Web Works

Today we are going to investigate the way the web works.

Materials:

• First let's read MDN HOW WEB WORKS.
• Next let's watch a few quick examples of how the internet works.
• And [how IP addresses work](https://www.youtube.com/watch?v=KFooN7Mu0IM - how IP addresses work).
• Finally let's tie these things together and watch a video about DNS - what happens when you type an address into a web browser.
• Lastly, let's read a little about the anatomy of a URL

QUIZ:

Now we have a better grasp about the internet, and how some of the things are working. Now, let's answer a few questions to check our understanding. Don't be afraid to do additional research (googleing) for an answer. Fork this gist and answer the following questions:

1. Describe, step by step, what happens when I type www.example.com into my browser and try to go to the page?

• ANSWER: request is sent to a router -> ISP(your) -> Server(your) -> Internet -> Server(their) and then back to your computer using IP address.

1. What does HTTP stand for? Hyper Text Transfer Protocol

2. What protocol does the World Wide Web use?

• ANSWER: Some include: http, https, and ftp.

3. Each computer on the Internet is assigned an IP address, what does IP stand for?

• ANSWER: Internet Protocol

4. What does DNS stand for?

• A. Domain Name System

5. How are text domain names matched to their respective numeric IP addresses.Matching the text domain names to their respective numeric IP addresses is the job of a seperate __________ server.

• ANSWER: Name

6. What is the client?

• E. The computer which the IP address belongs to

8. What does URL stand for?

• ANSWER: Uniform Resource Locator

9. What are protocols

• D. The standardised method for transferring data or documents over a network

10. What does DNS stand for?

• ANSWER: Domain Name Service

14. what is the www portion of a url?

• ANSWER:Subdomain

19. What is The markup language used for all web documents?

• ANSWER: HTML

20. What is the organization that monitors web technologies?

• ANSWER: W3C (World Wide Web Consortium)

22. What is the Protocol for transferring web documents on the Internet?

• ANSWER: http or https are most common

24. What matches the domain names with numeric IP addresses?

• ANSWER: Name server

I just saw this. Thanks, Andrew.