Amazon Web Services · Associate

How to pass AWS Certified Data Engineer - Associate (DEA-C01)

An independent, practice-first guide: the exam objectives, a study approach that targets your weak areas, and a free diagnostic that tells you when you're ready. Independent prep, not affiliated with Amazon Web Services.

A five-step plan to pass DEA-C01

1

Find your gaps

Take the free diagnostic. It scores you by domain so you know exactly what to study, before you spend evenings or a cent on the exam.

2

Practice what matters

Work the objectives where practice will move your score most, not the ones you already know. Original questions with explanations that teach.

3

Take mock exams

Test under realistic time and question constraints. Mocks surface pacing problems and weak domains a study guide can't.

4

Do a final review

Tighten your single weakest domain and re-check the never-miss objectives.

5

Schedule when the evidence says so

Use your readiness score and domain results to decide. Walk in prepared, not hopeful.

DEA-C01 exam objectives

The published blueprint, with domain weights. Practice weighted the way the exam is weighted.

Data Ingestion and Transformation

34%
  • Perform data ingestion (batch and streaming: Kinesis, MSK, Glue, DMS, throttling)
  • Transform and process data (AWS Glue, EMR/Spark, Lambda, optimization, containers)
  • Orchestrate data pipelines (Step Functions, MWAA/Airflow, EventBridge, Glue workflows)
  • Apply programming concepts (SQL, Python, IaC, CI/CD, Git, code optimization)

Data Store Management

26%
  • Choose a data store (S3, Redshift, DynamoDB, RDS/Aurora, storage formats)
  • Understand data cataloging systems (AWS Glue Data Catalog, crawlers, schema management)
  • Manage the lifecycle of data (S3 lifecycle, tiering, retention, hot/cold storage)
  • Design data models and schema evolution (normalization, star schema, partitioning, indexing)

Data Operations and Support

22%
  • Automate and orchestrate data processing (CloudFormation/CDK, scheduling, EventBridge)
  • Analyze data and ensure data quality (Athena, Glue DataBrew, Glue Data Quality, QuickSight)
  • Maintain and monitor data pipelines (CloudWatch, CloudTrail, logging, troubleshooting)

Data Security and Governance

18%
  • Apply authentication and authorization (IAM, Lake Formation, roles, least privilege)
  • Ensure data encryption, masking, and privacy (KMS, Macie, PII, tokenization)
  • Prepare logs for audit and ensure governance (CloudTrail, AWS Config, data lineage, compliance)

Common questions

What does the DEA-C01 exam cover?

AWS Certified Data Engineer - Associate covers 4 domains: Data Ingestion and Transformation, Data Store Management, Data Operations and Support, Data Security and Governance. Each is weighted, so your practice should be weighted the same way.

How do I know when I'm ready for DEA-C01?

Use an evidence-based readiness score (knowledge, blueprint coverage, consistency, and recency), not a completion percentage. When it says you're prepared, you are.

Are these practice questions exam dumps?

No. Every question is original and mapped to the published objectives. We never use dumps or leaked material.

Ready to find your DEA-C01 gaps?

The free diagnostic scores you by domain in about five minutes.

Take the free diagnostic

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