REST · question
Q.02 of 44
What are HTTP status codes and give examples of common ones?
← All REST questions
Re-explain
HTTP status codes are three-digit numbers that indicate the result of an HTTP request. They are grouped into five categories:
1xx - Informational:
2xx - Success:
- 200 OK: Request successful
- 201 Created: Resource successfully created
- 204 No Content: Successful but no content to return
3xx - Redirection:
- 301 Moved Permanently
- 304 Not Modified
4xx - Client Error:
- 400 Bad Request: Invalid request syntax
- 401 Unauthorized: Authentication required
- 403 Forbidden: Access denied
- 404 Not Found: Resource doesn't exist
- 409 Conflict: Request conflicts with current state
5xx - Server Error:
- 500 Internal Server Error
- 503 Service Unavailable
Rewriting in plainer words…
This answer doesn't lend itself to a diagram - it reads best . No credits were charged.
The model's verdict: “”
This answer is explained by a shared concept diagram -
open →
Point the redraw:
How well did you know this?
AI:
Saved in this browser - sign in to keep your review list.
How should your speech become text?
Listening… your words appear above as you speak - tap Stop when you're done.
Recording · cr - tap Stop & transcribe when you're done.
Transcribing with AI…
Voice:
Keep going - a few more words and AI can grade it.
Interview lens
Likely follow-ups, what you can say, and the weak answers to avoid.
Pro · $10/mo
38 of 44 REST answers are gated.
Full answers, code samples, AI explanations - simpler, deeper, or as an interactive diagram. Cancel anytime.
-
Full answers + code
-
AI explain - simpler, deeper, or visualized
-
1,000 AI credits / month
-
Cancel anytime
