What does idempotency mean?
Practice this question from Quiz: OAuth and Distributed Systems, with options and an explanation.
Question
What does idempotency mean?
Option A — Correct answer
Repeating the operation leaves the same final result as doing it once
Idempotency protects systems from duplicate effects during retries.
Option B
The operation must fail every time
Option C
The operation cannot be retried
Option D
The operation always creates a new row