Intermediate
Web & Software Development
Q47 / 100
What is an idempotent operation?
Correct! Well done.
Incorrect.
The correct answer is B) An operation that produces the same result whether executed once or multiple times — critical for safe retries in distributed systems
B
Correct Answer
An operation that produces the same result whether executed once or multiple times — critical for safe retries in distributed systems
Explanation
Idempotency: PUT request applying the same update multiple times has the same effect as once. GET is idempotent. POST usually isn't (creates duplicate records). Essential for retry safety in distributed systems.
Progress
47/100