Practice Athena Questions Now
Start a timed practice session focusing on Amazon Athena topics from the DEA-C01 question bank.
Start DEA-C01 Practice Quiz →DEA-C01 Athena Question Bank (7 Questions)
Browse all 7 practice questions covering Amazon Athena for the DEA-C01 certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.
- Question 1Store and Manage Data
A team needs to implement data partitioning in S3 to optimize Athena query costs. Which partitioning strategy is BEST for time-series data queried by date range?
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Start DEA-C01 Quiz - Question 2Store and Manage Data
A data engineer needs to catalog metadata for all data assets in their S3-based data lake and enable querying using Amazon Athena. Which service should they configure?
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Start DEA-C01 Quiz - Question 3Data Ingestion and Transformation
A team needs to convert CSV files in S3 to Parquet format for better query performance. Which approach is MOST cost-effective?
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Start DEA-C01 Quiz - Question 4Store and Manage Data
A data lake uses S3 with Apache Parquet files. To enforce data governance and fine-grained access control at the column level, which service should be implemented?
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Start DEA-C01 Quiz - Question 5Data Ingestion and Transformation
What format should data be stored in for optimal query performance in Athena?
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Start DEA-C01 Quiz - Question 6Data Store Management
What are Redshift Spectrum and Federated Query?
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Start DEA-C01 Quiz - Question 7Store and Manage Data
A team runs complex analytical queries on a large DynamoDB table but needs SQL flexibility. They want to query DynamoDB data using standard SQL without ETL. Which AWS feature enables this?
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Key Athena Concepts for DEA-C01
DEA-C01 Athena Exam Tips
Amazon Athena questions in DEA-C01 are typically scenario-based. Focus on data ingestion, transformation, storage optimization, and governance. Priority concepts: athena, query, sql, parquet, orc, partition.
What DEA-C01 Expects
- Anchor your answer in choose scalable data pipeline patterns with clear data quality and security controls.
- Athena scenarios for DEA-C01 are frequently mapped to Domain 2 (26%), Domain 3 (22%), so read the objective carefully before picking controls or architecture.
- Expect multi-topic scenarios where Athena interacts with IAM, networking, storage, or observability patterns rather than appearing as an isolated question.
- When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Associate) and vendor best practices.
High-Value Athena Concepts
- Know the core Athena building blocks cold: athena, query, sql, parquet.
- Review the edge-case features and limits for orc, partition; these details are commonly used to differentiate answer choices.
- Practice service-integration reasoning: how Athena pairs with S3, AWS Glue, Lake Formation, Redshift in real deployment patterns.
- For DEA-C01, explain why the chosen Athena design meets reliability, security, and cost expectations better than the alternatives.
Common DEA-C01 Traps
- Watch for ignoring partitioning, schema evolution, or query efficiency.
- Questions in Data Store Management often include distractors that look correct for Athena but violate least-privilege, durability, or availability requirements.
- Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
- If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.
Fast Review Checklist
- Can you compare at least two Athena implementation paths and justify which one best fits the scenario?
- Can you map the chosen answer back to Data Store Management (26%) outcomes for DEA-C01?
- Can you explain security and access boundaries for Athena without relying on default-open assumptions?
- Can you describe how Athena integrates with S3 and AWS Glue during failure, scaling, and monitoring events?