AWS Certified Data Engineer - Associate Questions and Answers
300 questions organized by topic with detailed explanations
AWS
DEA-C01
300 questions
4 topics
Updated Jul 2026Data Ingestion and Transformation
100 questions27 easy46 medium27 hard~34% of exam
A pipeline must invoke a target every night at midnight, and future requirements might include one-time invocations and ...A scheduled AWS Glue ETL job reads data from Amazon S3 every hour. The team wants each run to process only new data sinc...A company needs to orchestrate a multi-step data pipeline with branching, retries, and service integrations. Which AWS s...
Data Store Management
77 questions21 easy39 medium17 hard~26% of exam
A team wants to save Amazon Redshift query results in an efficient open columnar format in Amazon S3 so that Athena and ...A user runs an Amazon Redshift UNLOAD command to export query results to Amazon S3, but the command fails with an author...A team enables TTL on a DynamoDB table and expects expired items to disappear immediately. Which statement is accurate?
Data Operations and Support
67 questions17 easy35 medium15 hard~22% of exam
Which statement about CloudTrail Lake event data stores is correct?A team needs a service that shows AWS resource configurations, relationships between resources, and how those configurat...Application logs contain sensitive fields that should be masked by default when they match selected data identifiers. Wh...
Data Security and Governance
56 questions13 easy27 medium16 hard~18% of exam
All Questions
| # | Question | Topic | Difficulty |
|---|---|---|---|
| 1 | Which statement about AWS KMS keys is accurate? | Data Security and Governance | hard |
| 2 | A pipeline must invoke a target every night at midnight, and future requirements might include one-t... | Data Ingestion and Transformation | easy |
| 3 | Which statement about CloudTrail Lake event data stores is correct? | Data Operations and Support | hard |
| 4 | A data lake administrator needs to grant analysts access to only specific columns and rows in catalo... | Data Security and Governance | medium |
| 5 | A team needs a service that shows AWS resource configurations, relationships between resources, and ... | Data Operations and Support | medium |
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