Interview

Questions you will actually be asked

Pulled from the same lessons as the simulators. Reveal the answer only when you want it. Raise the depth selector on any lesson for senior and architect versions.

• Beginner

  Partitions, actions, lazy evaluation, and the driver.

• Senior

  Skew, shuffle, join strategy, and Spark UI evidence.

• Scenario Based

  Production failures with symptoms, investigation, and tradeoffs.