DEA-C01

AWS Certified Data Engineer - Associate

DEA-C01 · Amazon Web Services

A free practice bank of 100 items covering all 4 exam domains, with spaced retrieval, confidence calibration and gap routing. Generated from the published DEA-C01 exam guide.

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Exam structure

65questions

130minutes

720passing score

100practice items here

50 of the 65 questions are scored; 15 are unscored and are not identified on the exam. Scaled 100-1000, pass at 720, compensatory across domains.

Domains and weights

Domain	Weight
Data Ingestion and Transformation 1.1 Perform data ingestion 1.2 Transform and process data 1.3 Orchestrate data pipelines 1.4 Apply programming concepts	34%
Data Store Management 2.1 Choose a data store 2.2 Understand data cataloging systems 2.3 Manage the lifecycle of data 2.4 Design data models and schema evolution	26%
Data Operations and Support 3.1 Automate data processing by using AWS services 3.2 Analyze data by using AWS services 3.3 Maintain and monitor data pipelines 3.4 Ensure data quality	22%
Data Security and Governance 4.1 Apply authentication mechanisms 4.2 Apply authorization mechanisms 4.3 Ensure data encryption and masking 4.4 Prepare logs for audit 4.5 Understand data privacy and governance	18%

What the practice bank covers

100 items across 4 domains, using multiple choice, multiple response question types. Items are weighted to the published domain split, so practice time lands where the exam does.