Login to manage your account

Please enter a valid email address.
Forgot Password?
Please enter a valid password.
OR

Don't have an account yet? Sign up

What does idempotency mean for a data pipeline?

  1. A Re-running the same job produces the same result without duplicating data
  2. B The job runs only once
  3. C The job cannot fail
  4. D Results are cached
Answer

Re-running the same job produces the same result without duplicating data

Distributed jobs fail and are retried routinely, so non-idempotent writes silently corrupt data over time.

All Big data MCQs

Login to manage your account

Please enter a valid email address.
Forgot Password?
Please enter a valid password.
OR

Don't have an account yet? Sign up as