[EN/English] DEA-C01 AWS Data Engineer｜Practice Exams 2026

Prepare for the AWS Certified Data Engineer - Associate (DEA-C01) exam with 150 questions organized into 3 full practice tests. This course helps you interpret requirements, compare plausible options, and make technically sound decisions across data ingestion, transformation, storage, operations, security, and governance on AWS. Every question includes an explanation for every answer option, so you can understand why the correct choice fits and why each distractor does not.

What you will practice

- Ingest batch and streaming data

- Transform data using AWS Glue and other tools

- Select data stores and data models based on requirements

- Operate, monitor, and troubleshoot data pipelines

- Optimize data processing considering availability, performance, and cost

- Implement data access, encryption, and governance

Course structure

The 3 practice tests contain 54, 54, 42 questions respectively, for 150 questions in total. Questions are randomized, the passing score is 70%, and each test allows up to 240 minutes. Domain labels help you identify weak areas after each attempt.

Recommended study method

Take a test under timed conditions before reading the explanations. Review every incorrect answer and every question you answered without confidence. Compare all option explanations, verify unfamiliar details in the current official exam guide and vendor documentation, and retake weak areas after a few days.

Who this course is for

This course is intended for candidates preparing for AWS Certified Data Engineer - Associate, learners who have reviewed the official exam guide or another training resource, and professionals who want scenario-based practice with explanations for both correct and incorrect choices.

Quality and currency

The source questions were checked for structure, duplicates, answer consistency, technical accuracy, and alignment with the current DEA-C01 domains. Cloud services, products, and certification objectives change, so review the latest official exam guide before your exam.

Disclaimer: This is independent exam-preparation material. It is not provided, endorsed, approved, or sponsored by AWS or the certification body. Product names, service names, and trademarks belong to their respective owners.