Introduction to HTTP

Question 1

What is HTTP? and what does it do?

Answer 1

A request-response based protocol
A core operational protocol used by web clients (devices) and web servers

Enables web browser to communicate w/ web server that hosts a website

It works to transfer web resources such as HTML files, as the foundation of any data exchanges on the web

Question 2

What is special about HTTPS

Answer 2

This is a secure form of sending information

Question 3

Describe the request response pathway

Answer 3

Requests are sent by the client, usually a web browser, and the server replies w/ responses which may be the return of an image or an HTML page

Question 4

What does an HTTP syntax include?

Answer 4

Method
Path
Versions
Headers

Question 5

Do HTTP responses follow a similar format to the request?

Answer 5

YEs

Question 6

What do HTTP status codes indicate?

Answer 6

Whether the HTTP request successfully completed or not

Question 7

What is a status code?

Answer 7

A 3 digit number that corresponds w/ groups representing different types of results

Question 8

What does HTTP Stand for?

Answer 8

Hypertext Transfer Protocol

Question 9

What 4 things do an HTTP request consist of? Describe them

Answer 9

Method: describes the type of action that the client was to perform (get post put delete)
Path: representation of where the resource is stored on the webserver
Version
Headers

Question 10

What are the primary/most commonly used HTTP methods? Describe them

Answer 10

GET: retrieves information from the given server
POST: used to send data to the server
PUT: updates whatever currently exist on the website w/something else
DELETE: removes the resource

Question 11

Are there multiple versions of the HTTP protocol? Name 2

Answer 11

Yes, Version 1.1 & 2 are most used