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How The Web Works

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

Materials:

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: Your browser will determine if your computer already knows what the IP address of this domain is. If it doesn't, the operating system will ask a resolving name server (RNS) for the IP address of the domain. If that RNS doesn't know where the root of that domain is, it will ask the root name server. If the root name server doesn't know, the RNS will ask to the top-level domain (TLD) name server. If the TLD name server doesn't know, the RNS will ask the authoritative name server. The authoritative name server will give the RNS the IP address. The RNS returns this information to the operating system, which gives it to the browser. The browser then uses the IP address to query the domain's hosting server for the page files, which your browser receives over HTTP, interprets, and displays to you as a readable webpage.
  1. What does HTTP stand for?
  • ANSWER: Hypertext Transfer Protocol
  1. What protocol does the World Wide Web use?
  • ANSWER: HTTP
  1. Each computer on the Internet is assigned an IP address, what does IP stand for?
  • ANSWER: Internet protocol
  1. What does DNS stand for?
  • A. Domain Name System
  1. 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 separate __________ server.
  • ANSWER: Resolving name
  1. What is the client?
  • E. The computer which the IP address belongs to
  1. What does URL stand for?
  • ANSWER: Uniform Resource Locator
  1. What are protocols
  • D. The standardised method for transferring data or documents over a network
  1. What does DNS stand for?
  • ANSWER: Domain Name System OR Domain Name Server
  1. what is the www portion of a url?
  • ANSWER: World Wide Web
  1. What is The markup language used for all web documents?
  • ANSWER: HTML
  1. What is the organization that monitors web technologies?
  • ANSWER: W3 Consortium
  1. What is the Protocol for transferring web documents on the Internet?
  • ANSWER: HTTP
  1. What matches the domain names with numeric IP addresses?
  • ANSWER: Domain name server
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