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Start practiceGoogle Professional Data Engineer
Validates the ability to design, build, operationalize, secure, and monitor data processing systems on Google Cloud, with an emphasis on data pipelines, machine learning, and reliability.
Mock exam
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About this exam
The Professional Data Engineer certification assesses your ability to design data processing systems, build and operationalize data pipelines, operationalize machine learning models, and ensure solution quality on Google Cloud.
Who should take this exam
Data engineers, analytics engineers, and ML practitioners who build and manage data systems on Google Cloud.
Career benefits
Demonstrates expertise in data engineering and qualifies holders for roles such as Data Engineer and Analytics Engineer on Google Cloud.
How to prepare
Gain hands-on experience with BigQuery, Dataflow, Pub/Sub, Dataproc, and Vertex AI, and review the official exam guide and Cloud Skills Boost learning paths.
Quick facts
Exam costUSD 200
Valid for2 years
Length120 minutes
Questions on exam50
Passing scoreNot publicly published by Google; scaled scoring is used.
Format50-60 multiple choice and multiple select questions, proctored online or at a test center.
Practice questions200
Objectives5
Official pageView
What's covered
1. Designing data processing systems
22%Selecting storage, designing pipelines, and planning for migration and flexibility.
2. Ingesting and processing the data
25%Planning, building, and deploying batch and streaming pipelines with Dataflow, Dataproc, and Pub/Sub.
3. Storing the data
20%Selecting and managing storage and database systems including BigQuery, Bigtable, and Cloud SQL.
4. Preparing and using data for analysis
15%Preparing data for visualization, sharing, and assessing data quality.
5. Maintaining and automating data workloads
18%Optimizing resources, automating workloads, and monitoring and troubleshooting pipelines.
Frequently asked questions
Are these real exam questions?
No. These are original practice questions written to match the exam objectives, each with an explanation so you actually learn the material — not exam dumps.
How does practice mode work?
You answer questions one at a time with instant feedback and explanations. Over time the app adapts, prioritizing the objectives and questions you struggle with most.
What is a mock exam?
A timed, full-length simulation that holds feedback until the end, then shows your score, pass/fail result, and a breakdown by objective.
Can I customize how I study?
Yes. Pick the study mode that fits — adaptive practice, hard mode, ready-for-review, objective coverage, or retrying questions you've missed — and set your own question count, timer, and passing score for each session.
Do I need an account?
You can try free questions for this exam without signing in. Create a free account to save your progress, track weak objectives, and unlock the full question bank.