Node.js API Masterclass with Express and MongoDB - HTTP Status Codes

The video tutorial covers the important HTTP status codes, ranging from 100 to 500, explaining their meanings and uses. It details the 200 series for successful responses, the 300 series for redirection, the 400 series for client errors, and the 500 series for server errors. The tutorial also demonstrates how to manually set and use these status codes in code, providing examples and best practices for API responses.

What does the HTTP status code 201 indicate?

• Request was successful and something was created

• Request was successful with no content

• Request was unauthorized

• Request was redirected

Which HTTP status code is used for a permanent redirect?

• 200

• 301

• 404

• 500

What does a 400 HTTP status code signify?

• Client error

• Server error

• Informational response

• Redirection

When might you receive a 404 status code?

• When a server error occurs

• When a page or resource is not found

• When a request is successful

• When a request is unauthorized

What is the primary cause of a 500 status code?

• Successful request

• Redirection

• Server-side error

• Client-side error

How can you manually set a 404 status code in your code?

• By using a 301 redirect

• By sending a request to a non-existent URL

• By using the response object and setting the status property

• By modifying the server configuration

What should be included in an API response to indicate a 400 error?

• A success message

• A server error notification

• An error message indicating a bad request

• A redirection link