404 Not Found in Rest API - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the HTTP status code 404 Not Found mean?

It means the server could not find the requested resource. The URL might be wrong or the resource no longer exists.

beginner

When should a server return a 404 Not Found response?

When a client requests a resource that does not exist on the server, the server should respond with 404 Not Found.

intermediate

How is 404 Not Found different from 403 Forbidden?

404 means the resource is missing or unknown, while 403 means the resource exists but the client is not allowed to access it.

beginner

What is a common user experience when encountering a 404 Not Found error on a website?

Users usually see a page saying '404 Not Found' or 'Page not found' with a message that the page does not exist or was moved.

intermediate

How can developers handle 404 Not Found errors gracefully?

Developers can create custom 404 pages that guide users back to the homepage or suggest other useful links.

What does a 404 Not Found status code indicate?

A The requested resource does not exist on the server

B The client is not authorized to access the resource

C The server encountered an internal error

D The request was successful

A 404 Not Found means the server could not find the requested resource.

Which HTTP status code should be returned if a user tries to access a page that was deleted?

A 500 Internal Server Error

B 200 OK

C 404 Not Found

D 301 Moved Permanently

If a page is deleted and no longer exists, the server returns 404 Not Found.

How is a 404 Not Found different from a 403 Forbidden error?

A 404 means access denied; 403 means resource missing

B 404 means resource missing; 403 means access denied

C Both mean the resource is missing

D Both mean the client is unauthorized

404 means the resource is not found; 403 means the resource exists but access is forbidden.

What is a good practice when showing a 404 Not Found page?

A Show a server error message

B Redirect to a random website

C Show a blank page

D Provide helpful links or a search box

A helpful 404 page guides users back or offers alternatives.

If a URL is typed incorrectly by a user, what status code will the server usually return?

A 404 Not Found

B 200 OK

C 500 Internal Server Error

D 302 Found

Incorrect URLs usually lead to 404 Not Found because the resource does not exist.

Explain what a 404 Not Found error means and when it should be used.

Think about what happens when you visit a broken link.

Describe how you can improve user experience when a 404 Not Found error occurs on a website.

Imagine you are lost in a store and need directions.