DATABRICKS-DE-PROFESSIONAL: Certified Data Engineer Professional
Master the Databricks Certified Data Engineer Professional exam (30 Nov 2025 guide) - building production data pipelines with Lakeflow Spark Declarative Pipelines and Auto Loader, Databricks Asset Bundles and CI/CD with Git Folders, advanced Spark SQL and PySpark transformations, cost and performance optimization with deletion vectors and Liquid Clustering, data security with row filters and column masks, Unity Catalog governance, Delta Sharing and Lakehouse Federation, observability with system tables, and debugging and deployment.
$79 practice exams are gatekeeping. Mine are $9 because it should be. Written by someone who works in cloud and AI at Microsoft NZ — for people like us.
I just passed with a 777 (Yes, Seriously). This video helped me tremendously.
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Official Exam Details
| Duration | 120 minutes |
| Questions | 59 |
| Passing Score | Not officially published (~70%) |
| Exam Cost | $200 USD |
| Testing Provider | Databricks (online or test center, proctored) |
| Validity | 2 years |
| Prerequisites | None (advanced data engineering hands-on experience recommended) |
| Question Types | Multiple choice |
Domain Breakdown
| Domain | Questions |
|---|---|
| Developing Code for Data Processing (Python and SQL) | 66 |
| Data Ingestion, Transformation, and Quality | 40 |
| Cost and Performance Optimization | 35 |
| Data Security, Compliance, and Governance | 30 |
| Monitoring, Debugging, and Deployment | 30 |
| Data Sharing and Federation | 24 |
| Data Modeling | 25 |
Frequently Asked Questions
What is the passing score for the Certified Data Engineer Professional exam?
The passing score for Certified Data Engineer Professional (DATABRICKS-DE-PROFESSIONAL) is Not officially published (~70%). Our practice exams use an 80% threshold to help you build confidence before the real test.
How long is the Certified Data Engineer Professional exam?
The official Certified Data Engineer Professional exam is 120 minutes long. You can simulate this time pressure using our Exam Mode, which includes a countdown timer and auto-submit.
How much does the Certified Data Engineer Professional exam cost?
The Certified Data Engineer Professional certification exam costs $200 USD. You can prepare with our 250-question practice exam for just $9 (1 year access) — a fraction of the real exam fee.
How many questions are on the Certified Data Engineer Professional exam?
The official Certified Data Engineer Professional exam has 59 questions. Our practice bank includes 250 exam-style questions with detailed explanations covering all 7 domains.
What are the prerequisites for Certified Data Engineer Professional?
Prerequisites for Certified Data Engineer Professional: None (advanced data engineering hands-on experience recommended). Our study materials are designed for all levels, with detailed explanations that build understanding from scratch.
How long is the Certified Data Engineer Professional certification valid?
The Certified Data Engineer Professional certification is valid for: 2 years. Plan your recertification early and use our practice exams to stay sharp.
Is the Certified Data Engineer Professional practice exam worth it?
Yes — our 250-question practice exam includes three study modes (Study, Exam Simulation, and Flashcards with spaced repetition), detailed explanations for every answer, adaptive question selection, and progress tracking across all 7 domains. 20 practice questions are free with no account needed. Full access is $9 for 1 year.
How do I prepare for the Certified Data Engineer Professional certification?
Start with Study Mode for instant feedback and concept learning. Switch to Exam Mode for timed practice under real conditions (120 minutes, Not officially published (~70%) to pass). Use Flashcards with spaced repetition to retain key facts long-term. Track your readiness score across all domains.