AWS Data Engineer Associate, one pipeline at a time.
Scenario questions for DEA-C01, the AWS Certified Data Engineer – Associate exam: ingestion with Glue, Kinesis and DMS, Redshift and S3 data stores, orchestration and monitoring, security and governance. Every answer comes with an explanation, so you learn why the right service wins. Practise in short sessions, anywhere, with no signal.
- 🛠️ 100 scenario questions
- 💡 Every answer explained
- ✈️ Works offline
- 🚫 No ads, no account
Try one now
A real question from the app, on zero-ETL replication into Redshift. Pick an answer.
A data engineer needs to replicate changes from an Amazon Aurora MySQL database into Amazon Redshift continuously, with minimal latency and without building or managing a custom CDC pipeline. Which approach best meets this requirement?
Every answer comes with the "why"
The app doesn't just mark you right or wrong. It explains why the right answer is right and why the others fail, which is how you learn to spot the near-miss on exam day.
What DEA-C01 tests, and what the app covers
The exam has 65 questions in 130 minutes across four domains. The app balances its questions to their weights.
Data ingestion and transformation (34%)
Glue ETL and job bookmarks, Kinesis and Firehose, MSK, DMS, zero-ETL integrations, Redshift streaming ingestion.
Data store management (26%)
Redshift provisioned vs Serverless, S3 partitioning for Athena, DynamoDB, data catalogs and schema evolution.
Data operations and support (22%)
Orchestration with Step Functions and MWAA, monitoring, troubleshooting and data quality.
Data security and governance (18%)
IAM and Lake Formation permissions, encryption with KMS, auditing with CloudTrail, privacy controls.
Federated and lake queries
Redshift federated query and Spectrum, Athena Federated Query, when to copy data and when not to.
Progress and short sessions
Streaks, best scores and a review queue for missed questions, all on your device.
Study anywhere. Nothing to sign up for.
The questions and explanations ship inside the app. Only the optional News tab and the one-time unlock use a connection.
See our privacy policy.
- No ads. Nothing between you and the next question.
- Works in Airplane Mode. Every question and explanation is built into the app.
- No account. Open it and start practising.
- Balanced to the exam. Questions follow the four domain weights.
- Progress stays on your device. Streaks, best scores and history.
Free, with a one-time unlock
| Free | Full bank | |
|---|---|---|
| Practice questions | 100 | 150 |
| Every answer explained, progress | ✓ | ✓ |
| No ads, offline, no account | ✓ | ✓ |
| Price | Free | One-time in-app purchase |
Frequently asked questions
What is the AWS Certified Data Engineer – Associate exam?
DEA-C01 is the AWS associate-level exam for data engineers. It has 65 multiple-choice and multiple-response questions in 130 minutes and costs $150. Its four domains are Data Ingestion and Transformation (34%), Data Store Management (26%), Data Operations and Support (22%) and Data Security and Governance (18%).
How many questions are free?
100 questions are free, each with an explanation. A one-time in-app purchase unlocks all 150. It is not a subscription.
Does it cover zero-ETL, Redshift Serverless and streaming ingestion?
Yes. The bank includes the newer services that appear in data engineering scenarios: zero-ETL integrations, Redshift Serverless and streaming ingestion, MSK, Glue job bookmarks and federated queries.
Does it have ads?
No. There are no ads, no account and no tracking.
Does it work offline?
Yes. Every question and explanation is built into the app. Only the optional News tab and the unlock purchase use a connection.
Are these real exam questions?
No. They are original exam-style practice questions written against AWS's published exam guide.
What is the app called on the App Store?
Data Engineer Cert Prep, by DjamgaTech Corp.
Which devices does it support?
iPhone and iPad with iOS or iPadOS 16 or later, and Macs.
Build your way to DEA-C01
Free on the App Store for iPhone and iPad. No ads. Works anywhere.
More offline apps from us
AI & ML Tutor
Machine learning for beginners. Then get certified.
AWS AI Practitioner Cert Prep
AWS AI Practitioner, updated for the 2026 exam guide.
AI Apps & Agents Cert Prep
AI-103 replaced AI-102. Practise for the new exam.
DjamgaMind Bedtime Stories
Bedtime stories about Black history and African heroes.
GenAI LLM Certification Prep
NVIDIA Generative AI LLMs, including the part other prep skips.
Cloud Practitioner Exam Prep
AWS Cloud Practitioner, your first AWS certification.
Solutions Architect Exam Prep
AWS Solutions Architect Associate, one scenario at a time.
AZ AI
Azure AI Fundamentals, updated for AI-901.
Djamgatech
One app. 30 certifications.
iQz
Offline IQ puzzles and brain teasers. No ads.
AI Unraveled podcast
The daily AI briefing and Sunday exam guides.
Read Aloud For Me
Scan any page and hear it read aloud, offline.
Data Engineer Cert Prep is an independent study aid and is not affiliated with, endorsed by, or sponsored by Amazon Web Services, Inc. AWS and AWS Certified Data Engineer are trademarks of Amazon.com, Inc. or its affiliates. All questions and explanations are original work.