Recall & Review
beginner
What is the main purpose of HTTP status codes in REST APIs?
HTTP status codes tell the client if a request was successful or if there was a problem. They communicate the outcome clearly and quickly.
Click to reveal answer
beginner
What does a 200 status code mean?
A 200 status code means the request was successful and the server sent back the requested data.
Click to reveal answer
intermediate
Why is it important for status codes to be standardized?
Standardized status codes let different systems understand each other easily without confusion, like a common language for success or errors.Click to reveal answer
beginner
What category of status codes indicates client errors?
Status codes in the 400 range (like 404) indicate client errors, meaning the client sent a bad request or asked for something that doesn't exist.
Click to reveal answer
intermediate
How do status codes help developers during debugging?
Status codes quickly show if a request failed and why, helping developers find and fix problems faster.
Click to reveal answer
What does a 404 status code usually mean?
✗ Incorrect
A 404 status code means the server could not find the requested resource.
Which status code indicates a successful HTTP request?
✗ Incorrect
200 means the request was successful and the server returned the expected response.
Why do REST APIs use status codes?
✗ Incorrect
Status codes communicate whether a request succeeded or failed and why.
Which status code category signals server errors?
✗ Incorrect
Status codes in the 500s indicate server errors.
What does a 401 status code mean?
✗ Incorrect
401 means the client must authenticate to get the requested resource.
Explain why HTTP status codes are important for communicating outcomes in REST APIs.
Think about how a simple number can tell if a request worked or not.
You got /4 concepts.
Describe the difference between 4xx and 5xx status codes and what they tell the client.
Who caused the problem: client or server?
You got /4 concepts.