AWS Certified Data Engineer - Associate Certification Guide 2026
Validates ability to design, build, and maintain data pipelines on AWS. Covers data ingestion, transformation, storage optimization, security, and governance using AWS data analytics services.
Build the Data Infrastructure of Tomorrow
The most in-demand certification for modern data professionals
Why This Certification Is Worth It
- Only AWS certification focused specifically on data engineering
- Data engineering is one of the fastest-growing and highest-paid tech roles
- Master AWS Glue, Athena, Redshift, and the modern data stack
- Essential for data lake and data warehouse architects
- High ROI: $20K-$30K salary increase vs $150 exam cost
- Opens doors to senior data engineering and data architecture roles
Quick Navigation
What is AWS Certified Data Engineer - Associate?
The AWS Certified Data Engineer - Associate (DEA-C01) is a associate-level certification offered by Amazon Web Services (AWS).Validates ability to design, build, and maintain data pipelines on AWS. Covers data ingestion, transformation, storage optimization, security, and governance using AWS data analytics services.
Recommended Experience
2-3 years of experience with data engineering concepts and 1-2 years of hands-on experience with AWS services for data analytics
Who Should Take This Certification?
This certification is ideal for:
- Cloud practitioners with 1+ years of hands-on experience
- Solutions architects, developers, or DevOps engineers
- IT professionals looking to validate their cloud expertise
- Anyone looking to advance their career in cloud computing
Exam Format
Exam Duration
170 minutes
Number of Questions
85 questions (65 scored, 20 unscored)
Passing Score
720 out of 1000
Certification Validity
3 years
Delivery Method: Pearson VUE testing center or online proctored
Languages: Multiple languages available
Topics Covered
Data Ingestion and Transformation
34%- Data Ingestion
- Data Transformation
- AWS Glue ETL
- Glue Workflows
- Amazon EMR
- Streaming Data
- Batch Processing
- Amazon Kinesis Data Streams
- Amazon Kinesis Firehose
- Amazon MSK
- Data Format Conversion
- Amazon EventBridge
- ETL pipeline design and implementation
- Batch and streaming data processing
Data Store Management
26%- Amazon Redshift
- Redshift Architecture
- Redshift Optimization
- DynamoDB
- S3 Data Lake Design
- Amazon Athena
- Schema Evolution
- Data modeling for analytics
- Data partitioning and optimization
- Data lifecycle management
Data Operations and Support
22%- Troubleshooting
- Pipeline Design
- Pipeline Orchestration
- AWS Step Functions
- MWAA
- Error Handling
- Performance Tuning
- Cost Management
- Monitoring and alerting
- Data pipeline automation
Data Security and Governance
18%- Data Security
- Lake Formation
- Data Quality
- Data encryption and access control
- Data masking and anonymization
- Compliance and auditing
- Data catalog and metadata management
The Right Way to Learn for This Exam
Theory vs Practice Balance
The DEA-C01 exam tests practical data engineering skills. You need 30% theory (understanding services and concepts) and 70% hands-on practice (building pipelines, optimizing queries, troubleshooting issues).
Why Practice Tests Are Critical
AWS data engineering questions require understanding of service interactions, data formats, performance optimization, and cost trade-offs. These decisions become intuitive through scenario-based practice.
Common Mistake to Avoid
Many candidates study individual services but fail because they don't understand how services integrate in real data pipelines. The exam tests end-to-end pipeline design, not isolated service knowledge.
How to Prepare for the Exam
Recommended Study Timeline
For Beginners
90-120 days
Dedicated study time of 1-2 hours per day
For Experienced Professionals
45-60 days
Dedicated study time of 1-2 hours per day
5-Step Preparation Strategy
Review the Official Exam Guide
Start by reading the official exam guide from Amazon Web Services (AWS) to understand what topics are covered.
Get Hands-On Experience
Practice is crucial. Set up your own test environment and work with the technologies covered in the exam.
Take Online Courses or Training
Structured courses help you understand complex concepts and fill knowledge gaps.
Practice with Realistic Exam Questions
Take practice tests to familiarize yourself with the exam format and identify weak areas. Our practice tests simulate the real exam experience.
Review and Reinforce Weak Areas
Use your practice test results to focus on topics where you need improvement before taking the real exam.
Recommended Study Resources
Preporato Practice Tests
RecommendedOur comprehensive practice test bundle includes 7 full-length practice exams with detailed explanations. Designed to simulate the real exam experience and help you identify knowledge gaps.
Official Documentation
The official Amazon Web Services (AWS) documentation is always the most authoritative source.
Visit Official Certification PageHands-On Practice
Practical experience is essential. Consider setting up a free tier account to practice with real services.
7 Mistakes That Lead to Failure (And How to Avoid Them)
Learn from the common mistakes that cause most candidates to fail. Understanding these pitfalls will help you prepare more effectively.
Insufficient AWS Glue hands-on experience
Why This Is a Problem
Glue is central to the exam - crawlers, jobs, Data Catalog, and integrations are heavily tested. Theoretical knowledge isn't enough.
The Real Solution
Build real ETL pipelines with Glue. Create crawlers, write Glue jobs, and understand the Data Catalog integration with Athena and Lake Formation.
How Our Practice Tests Help
Our 455+ questions include 150+ Glue-focused scenarios covering all aspects of the service.
Not understanding data formats and partitioning
Why This Is a Problem
Questions frequently test when to use Parquet vs ORC vs JSON, and how partitioning affects query performance and cost.
The Real Solution
Understand columnar formats, compression options, and S3 partitioning strategies. Know how Athena and Redshift Spectrum leverage partitions.
How Our Practice Tests Help
Our practice tests include 80+ questions on data formats, partitioning, and storage optimization.
Confusing batch vs streaming scenarios
Why This Is a Problem
The exam tests your ability to choose between Kinesis Data Streams, Firehose, Glue Streaming, and batch processing based on requirements.
The Real Solution
Know the latency, throughput, and use cases for each streaming option. Understand when near real-time vs real-time vs batch is appropriate.
How Our Practice Tests Help
Our practice tests include 70+ streaming scenarios to build intuition for these decisions.
Exam Day Tips
Before the Exam
- •Master AWS Glue: crawlers, jobs, Data Catalog, and Studio
- •Understand S3 data lake patterns: partitioning, formats (Parquet, ORC), lifecycle
- •Know Athena optimization: partitions, bucketing, compression
- •Practice Kinesis streaming scenarios: Data Streams vs Firehose vs Analytics
- •Study Lake Formation permissions and cross-account sharing
During the Exam
- •Read scenarios carefully - data volume and latency requirements are key
- •Identify whether the requirement is batch or real-time processing
- •Consider cost vs performance trade-offs in each answer
- •Watch for keywords: 'near real-time', 'cost-effective', 'minimal operational overhead'
- •Eliminate answers that don't match the scale or latency requirements
Career Benefits
Earning the AWS Certified Data Engineer - Associate certification can significantly boost your career prospects:
Certified professionals earn on average 15-20% more than non-certified peers
Many job postings require or prefer candidates with cloud certifications
Validate your skills and knowledge to employers and clients
Frequently Asked Questions
How difficult is the DEA-C01 exam?
The difficulty varies based on your experience level. With proper preparation and hands-on experience, most candidates find the exam challenging but achievable. Our practice tests help you assess your readiness.
How much does the DEA-C01 exam cost?
Exam costs vary by region and provider. Check the official Amazon Web Services (AWS) website for current pricing. Our practice tests are a cost-effective way to prepare and increase your chances of passing on the first try.
Can I retake the exam if I fail?
Yes, you can retake the exam. However, there may be waiting periods and additional fees. It's best to prepare thoroughly using practice tests to maximize your chances of passing on your first attempt.
How long should I study for the DEA-C01 exam?
Study time varies based on your background. Beginners typically need 90-120 days, while experienced professionals may need 45-60 days with 1-2 hours of daily study. Use practice tests to gauge your readiness.
How long is the certification valid?
The AWS Certified Data Engineer - Associate certification is valid for 3 years. Recertify before expiration or earn higher-level certification
Ready to Start Your Preparation?
Practice with 7 full-length exams designed to help you pass on your first try