349 practice questions for Google Professional Data Engineer (PDE), with full explanations.
Every question comes with the correct answer, the reasoning behind it, and a short note on why each wrong option is wrong. Work through it once with the answers, then again with the questions-only copy under exam conditions.
- 349 questions mapped to the PDE exam objectives
- Answers and explanations for every question, including the wrong options
- A questions-only PDF for timed practice runs
- Instant delivery by email the moment you check out
- Free monthly updates for as long as the exam is live
- Pass or your money back
A PDE attempt costs US$200. This pack is US$39, paid once.
Try 10 questions free before you buy.
Last updated September 2026 · 349 questions
What makes the PDE hard
Every question on the PDE is a storage-and-processing decision wearing a business scenario as a disguise: a company with specific latency, cost and consistency requirements, and four Google services that all technically hold data.
BigQuery versus Bigtable versus Spanner versus Firestore is the exam’s favourite fork, followed closely by Dataflow windowing and late-data handling for streaming pipelines, Pub/Sub delivery semantics, and when Dataproc exists purely because the scenario mentions existing Hadoop jobs.
It is two hours for only 40 to 50 questions, fewer than most Google professional exams, which means each one carries more weight and the scenarios are longer. IAM, encryption, DLP and a layer of Vertex AI questions round out the paper. This pack will have 349 practice questions mapped to the PDE exam objectives, covering the service-selection and pipeline scenarios Google rotates through.
About the exam
The Professional Data Engineer certifies designing, building, securing, and operationalising data processing systems on Google Cloud. Google recommends three or more years of industry experience including one or more year on Google Cloud. It is valid for two years.
Exam sections
- Design data processing systems
- Ingest and process the data
- Store the data
- Prepare and use data for analysis
- Maintain and automate data workloads
Google does not publish percentage weightings for these sections. 40 to 50 questions, 2 hours, multiple choice and multiple select, US$200 per attempt, available in English and Japanese, online proctored or test centre, valid 2 years.
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