Failed AWS Certified Data Engineer - Associate (DEA-C01)? Here's Your Recovery Plan
Failing an exam doesn't define you. The AWS Certified Data Engineer - Associate (DEA-C01) has a pass rate of Not published — you're not alone. Here's exactly what to do next.
The AWS Certified Data Engineer - Associate (DEA-C01) has a pass rate of Not published, which means many qualified candidates don't pass on their first attempt. This is a medium-difficulty exam that challenges even experienced professionals.
Most people who fail and try again with a better strategy pass on their second attempt. The key is understanding what went wrong and fixing it.
Wait Period
14 days
Retake Cost
Full exam fee
Max Attempts
Unlimited
Pro tip: You can take a practice exam for $20 to gauge readiness before retaking.
- Relying too heavily on memorization instead of understanding concepts
- Not taking enough timed practice tests under exam conditions
- Poor time management during the actual exam
- Not covering all exam domains equally — weak areas get tested
- Studying theory without hands-on practice
Analyze Your Score Report
Review your AWS Certified Data Engineer - Associate (DEA-C01) score report immediately. Identify which domains you scored lowest in — these are your priority areas. Write down specific topics you struggled with while the exam is fresh in your memory.
Take a Short Break (But Not Too Long)
Take 2-3 days off from studying to reset mentally. Failing is emotionally draining, and jumping back in immediately can lead to burnout. But don't wait too long — the material is still fresh.
Change Your Study Strategy
Whatever approach you used before didn't work. Switch it up: if you only read textbooks, add video courses. If you didn't do practice tests, make them your primary study method. Active recall beats passive review every time.
Focus on Weak Areas (80/20 Rule)
Spend 80% of your study time on the 2-3 domains where you scored lowest. You probably already know the topics you scored well on. For AWS Certified Data Engineer - Associate (DEA-C01), this targeted approach is far more effective than re-studying everything.
Take a Practice Test Before Rebooking
Don't rebook the exam until you're consistently scoring 85%+ on practice tests. This saves you money and builds real confidence. When you're scoring well, schedule the retake.
- Domain 1, Data Ingestion and Transformation, is 34 percent of the scored content and deserves a third of your study time
- Only 50 of the 65 questions are scored; the other 15 are unscored trial items you cannot identify
- Learn Glue against EMR against Redshift against Lambda on cost, and expect the cheapest-that-works answer to win
- Work exam guide version 1.1, published 12 December 2025, which added Apache Iceberg, S3 Tables, vector index types, and SageMaker Unified Studio
- You need 720 out of 1,000 and AWS uses a compensatory model, so a weak domain can be offset elsewhere
- Budget 2 minutes per question across the 130 minutes and flag anything longer
How long do I have to wait to retake the AWS Certified Data Engineer - Associate (DEA-C01)?
The retake waiting period for AWS Certified Data Engineer - Associate (DEA-C01) is 14 days. You can take a practice exam for $20 to gauge readiness before retaking.
How much does it cost to retake the AWS Certified Data Engineer - Associate (DEA-C01)?
The retake cost is Full exam fee. Maximum attempts: Unlimited.
What percentage of people fail the AWS Certified Data Engineer - Associate (DEA-C01)?
The AWS Certified Data Engineer - Associate (DEA-C01) has an average pass rate of Not published, meaning roughly a significant percentage of test-takers fail on their first attempt.
Is the AWS Certified Data Engineer - Associate (DEA-C01) harder the second time?
No — the AWS Certified Data Engineer - Associate (DEA-C01) difficulty is the same on retake. Many people pass on their second attempt because they know what to expect and can focus their study on weak areas.
Ready to pass AWS Certified Data Engineer - Associate (DEA-C01)?
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