Exam simulator Last updated: Jun 6, 2026

Professional Data Engineer Professional Data Engineer

Question 1 / 173 1% Progress tracking

Full question bank 173 original practice questions available

Last updated Jun 6, 2026 Professional Data Engineer Exam simulator

Access level Guest preview Premium: Full

Question 1 / 173 1%

Select all that apply 5 options

You have Cloud Functions written in Node.js that pull messages from Cloud Pub/Sub and send the data to BigQuery. You observe that the message processing rate on the Pub/Sub topic is orders of magnitude higher than anticipated, but there is no error logged in Stackdriver Log Viewer. What are the two most likely causes of this problem? (Choose two.)

A Publisher throughput quota is too small. B Total outstanding messages exceed the 10-MB maximum. C Error handling in the subscriber code is not handling run-time errors properly. D The subscriber code cannot keep up with the messages. E The subscriber code does not acknowledge the messages that it pulls.

Multiple answers may be correct.

Professional Data Engineer What you practise

Professional Data Engineer Practice Test for Professional Data Engineer

Use this Professional Data Engineer practice test to check your readiness with original study questions, exam-style answer choices and a structured simulator experience.

What you practise

Core objectives, scenario questions, answer review and practical certification preparation.

How the simulator helps

The simulator starts with a free sample, records your answers, and shows a clean review path so you can understand weak areas instead of memorising isolated facts.