Browse Exams — Mock Exams & Practice Tests

DEA-C01 Mock Exams & Practice Exam Questions | AWS Certified Data Engineer - Associate

DEA-C01 mock exams and practice exam questions for AWS Certified Data Engineer - Associate. Timed practice sets and detailed explanations in the AWS Exam Prep app (web, iOS, Android).

On this page
Interactive Practice Center

Start a practice session for AWS Certified Data Engineer — Associate (DEA-C01) below, or open the full app in a new tab. For the best experience, open the full app in a new tab and navigate with swipes/gestures or the mouse wheel—just like on your phone or tablet.

Open Full App in a New Tab

A small set of questions is available for free preview. Subscribers can unlock full access by signing in with the same account used on mobile.

Prefer to practice on your phone or tablet? Download the AWS Exam Prep – AWS, Azure, GCP & CompTIA exam prep app for iOS or AWS Exam Prep app on Google Play (Android) and then sign in with the same account on web to continue your sessions on desktop.

Tip: DEA-C01 is 65 questions / 130 minutes. Start with task drills, then do mixed sets to build transfer across ingestion, storage, operations, and governance.

Suggested progression

  1. Task drills (daily): 20–25 questions focused on one task.
  2. Mixed sets (2×/week): 30–40 questions spanning 2–3 domains.
  3. Timed runs (final week): 2–3 full-length runs (65 questions / 130 minutes); review every miss and re-drill weak tasks.

What to pair with practice

  • Study Plan: pick a 30/60/90 day timeline → view
  • Syllabus: objective-by-domain outline → view
  • Cheatsheet: high-yield patterns + service pickers → open
  • Overview: format, domains, and strategy → read

Exam at a glance

  • Exam name: AWS Certified Data Engineer — Associate (DEA-C01)
  • Level: Associate
  • Questions: 65 total (multiple-choice and multiple-response)
  • Time: 130 minutes
  • Delivery: Pearson VUE testing center or online proctored exam
  • Result: Scaled score (100–1000); minimum passing score: 720
  • Cost: 150 USD
  • Languages offered: English, Japanese, Korean, Simplified Chinese

Tip: DEA-C01 is “end-to-end data platform” thinking: ingestion patterns, ETL choices, storage and modeling trade-offs, operations/monitoring, and security/governance.

Domain breakdown (weights)

  • Domain 1: Data Ingestion and Transformation — 34%
  • Domain 2: Data Store Management — 26%
  • Domain 3: Data Operations and Support — 22%
  • Domain 4: Data Security and Governance — 18%

What the exam emphasizes (high level)

Expect scenario-driven items where you choose the best answer for:

  • Ingesting data (batch + streaming), handling triggers/schedules, and designing replayable pipelines
  • Transforming and processing data using appropriate AWS services (and recognizing performance/cost trade-offs)
  • Selecting data stores, designing schemas, managing catalogs/partitions, and handling lifecycle policies
  • Monitoring and troubleshooting pipelines, ensuring data quality, and optimizing runtime/cost
  • Implementing authentication/authorization, encryption/masking, logging for audit, and privacy/governance controls

Who should take DEA-C01

This exam is a strong fit for:

  • Data engineers and analytics engineers building pipelines on AWS
  • Platform engineers supporting data lakes/warehouses and orchestration
  • Data architects who need a validated AWS-focused pipeline + governance skill set

Recommended background (AWS guidance):

  • ~2–3 years of experience in data engineering or data architecture
  • At least 1–2 years of hands-on experience with AWS services

Study plan (efficient)

  1. Pick a timeline: 30/60/90-day Study Plan →
  2. Work the Syllabus task-by-task; drill immediately after each task.
  3. Keep a miss log: convert misses into one-liner rules (“EventBridge for schedules + triggers”, “Lake Formation for fine-grained permissions”, “Parquet + partitions for Athena cost/perf”).
  4. Final 1–2 weeks: mixed sets + at least a couple timed runs; review every miss.