Questions about how the web works for mod 2 prework.

how_the_web_works.md

How The Web Works

Background:

Review the materials below.

• 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

Questions:

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?
   1. After typing in the URL www.example.com, your computer sends the request to the internet via your Internet Service Provider or ISP.
   2. The request is then routed to www.example.com via a series of routers.
   3. Your computer is now connected to www.example.com and you can view it in your web browser.
2. What does HTTP stand for?
   • Hypertext Transfer Protocol
3. What protocol does the World Wide Web use?
   • The World Wide Web relies mainly on HTTP.
4. Each computer on the Internet is assigned an IP address, what does IP stand for?
   • IP stands for Internet Protocol
5. What does DNS stand for?

• A. Domain Name System
• B. Digital Number System
• C. Domain Number System
• D. Domain Name Service
• E. Digital Name Service
  • D. Domain Name Service

1. How are text domain names matched to their respective numeric IP addresses.
   • Text domain names are matched to their respective numeric IP addresses via the Domain Name Service or DNS.
2. What is the client?

• A. A purchaser
• B. Internet shopping customer (Consumer)
• C. The software which requests information from a server (browser)
• D. The server to which a particular computer sends data
• E. The computer which the IP address belongs to
  • E. The computer which the IP address belongs to

1. What does URL stand for?
   • Uniform Resource Locator
2. What are protocols

• A. The standardisation of IP addressess
• B. The DNS standard method for data transfer
• C. The standardised network address system
• D. The standardised method for transferring data or documents over a network
• E. The standardised method for prioratising data or document storage over a network
  • D. The standardized method for transferring date or documents over a network

1. What does DNS stand for?
   • Domain Name Service
2. what is the www portion of a url?
   • The www portion of a url is the subdomain. For most webpages, www is unnecessary as it is the default subdomain so most urls will work without explicitly providing www.
3. What is The markup language used for all web documents?
   • Hypertext Markup Language or HTML
4. What is the organization that monitors web technologies?
   • The World Wide Web Consortium or W3C
5. What is the Protocol for transferring web documents on the Internet?
   • Hypertext Transfer Protocol or HTTP
6. What matches the domain names with numeric IP addresses?
   • The Domain Name Service or DNS match domain names with their numeric IP addresses.