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Version: v1.1

📓 Review: How the Web Works

Mock Interview Questions​

Web Clients and Servers​

  • What is an IP address?
  • How does a device get an IP address?
  • How does HTTP work with the Internet?
  • Why might a DNS server be needed to send a request?
  • What are some examples of a resource?

Uniform Resource Locator (URL)​

  • What are the elements required in a URL?
  • What information might be sent in a query string?
  • Why would a fragment be included in a URL?

HTTP Requests​

  • How is an HTTP request triggered from a client?
  • What is the difference between a GET and POST request?
  • What kind of information is sent in the request header?

HTTP Responses​

  • What does status code 200 indicate?
  • What range are status codes that are the result of client issues?
  • What range are status codes that are the result of server issues?
  • If the resource requested is an HTML document with 2 images and a CSS file, how many total requests would need to be made to display the contents in the browser?

Web Developer Tools​

  • Why do many web developers use Chrome as their browser?
  • How many requests are made to display www.epicodus.com in the browser?
  • What is the IP address of www.epicodus.com?