Mock Interview Questions

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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?