Part One

What is HTTP?

• Hyper Text Transfer Protocol. Defines how to get data to and from a server.

What is a URL?

• Uniform Rsource Locator. Is the address associated with the place you want to go.

What is DNS?

• Domain Name System. This converts human readable names into IP addresses.

What is a query string?

• A query string passes key value pairs into the url to send to the server.

List 2 HTTP Verbs:

• Get - gets data from a server.
• Post - sends data to a server and can change data on a server.

What is a HTTP request?

• A HTTP request is a request from the client to the server and follows the HTTP.

What is a HTTP respone?

• A HTTP response is the response the server sends to the client and follows the HTTP.

What is a HTTP header:

• A header provides additional information about the request made or response given.
  • A request header would be Host, User-Agent, Content-Type.
  • A response header would be Last-Modified, Content-Type, Content-Encoding.

What happens when you visit a website?

• Request is sent.
• DNS retrieves IP address and forwards to the server.
• Header info is sent to the server.
• Server responds and sends information back to the client.
• Client browser interprets HTML, CSS, and Javascript and creates the webpage.

Part Two

1. Check out the pirate jokes: curl https://icanhazdadjoke.com/search?term=pirate
2. dig icanhazdadjoke.com
3. Simple web page served in python3 -m http.server. <h1> Hello World </h1>