Test Yourself: Web Programming in Node

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Some things you should know before moving on.

Introduction to Web Programming in Node

  • What is a server?
  • What is a client?
  • What is HTTP?
  • What Node library is used to create servers and handle HTTP requests?
  • What makes Node.js ideal for scalable network applications?

The Server-Client Model

  • What two things are needed to uniquely identify an "Endpoint" on the web?
  • What is the commonly used HTTP port on the web (not your localhost)?
  • How is a TCP "Connection" specified?
  • What's the difference between any old server and a "Web" server?
  • How is working with servers almost identical to working with files?
  • What are several different URLs you can use to access your local development web server?

Basic HTTP

  • What does it mean that HTTP is a "Stateless Protocol"?
  • Do all HTTP requests have a Body?
  • How can you look up HTTP request and response headers using your Developer Tools?
  • What are the 4 (5ish) main HTTP verbs you'll be using?
  • What are the only 2 that the browser actually sends?
  • What is the difference between a GET and a POST request from the perspective of a resource on your back end?
  • What do the HTTP status codes 200, 304 and 500 mean?
  • Why is the 304 relevant to your browser and page load speeds?
  • What portion of the URL contains the parameters?

Node as a Web Server

  • How do you create a web server with Node?
  • How do you respond to a request with raw text?
  • What header is necessary to set when responding with raw text?
  • How do you output to the console that a server is running at a particular endpoint with Node?

Handling HTTP Requests with Node

  • How do you respond to an HTTP request with HTML?
  • What status code means the file was not found?
  • What status code means success?
  • What header is necessary to tell the client that the response is HTML?

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