Google Cloud

Professional Data Engineer

Design, build, and operationalize data processing systems on Google Cloud.

Verified against the official Google Cloud exam guide — July 6, 2026

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Exam code

50

Questions

120 min

Duration

70%

Pass mark

Practice questions (252)Flashcards (50)Mock examStudy slides — ProCheatsheet — ProExam Report — Pro

Exam domains

Designing data processing systemsFree samples →Study guide →22%
Ingesting and processing dataFree samples →Study guide →25%
Storing the dataFree samples →Study guide →20%
Preparing and using data for analysisFree samples →Study guide →15%
Maintaining and automating workloadsFree samples →Study guide →18%

Frequently asked questions

How many questions are on the Professional Data Engineer exam?

The Professional Data Engineer exam has 50 questions and lasts 120 minutes. You need 70% to pass.

What score do you need to pass Professional Data Engineer?

The passing score for Professional Data Engineer is 70%. DataCertPrep's timed mock exams use the same pass mark, length, and timing as the real Google Cloud exam.

How hard is the Professional Data Engineer exam?

Professional Data Engineer is a scenario-based Google Cloud exam — it tests applied judgment, not memorization. Most candidates who consistently score above the 70% pass mark on realistic mock exams pass the real exam. DataCertPrep's readiness score is weighted by the official domain weights so you know when you're ready.

What is the best way to prepare for Professional Data Engineer?

Work through the domain study guides, drill scenario-based practice questions until your weak domains catch up, use spaced-repetition flashcards for facts and limits, then confirm with a full-length timed mock exam. DataCertPrep includes all four for Professional Data Engineer, verified against the official Google Cloud exam guide on 2026-07-06.

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