Amazon Web Services certification practice
Practise AWS Certified Data Engineer Associate DEA-C01 across all 4 official exam domains — Data Ingestion and Transformation, Data Operations and Support, Data Security and Governance, Data Store Management — with original exam-style questions, full explanations, and wrong-answer analysis. AWS certification exams usually test architecture trade-offs: service selection, resilience, cost, security, networking and operations. Courseiva helps you practise those decisions through original scenario-based questions.
Ways to study DEA-C01
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
New here? Start with this
Start with a 25-question practice test
Covers all 4 domains · takes ~5 min · no account needed · shows your weak areas immediately
Key facts for the AWS Certified Data Engineer Associate DEA-C01 exam.
Exam cost
$150 USD / ~£120
Duration
130 minutes
Question count
65 questions
Passing score
720 / 1000
Validity
3 years
Delivered by
Pearson VUE
Online proctored
Yes — available
Retake policy
14 days between attempts; third attempt requires 90-day wait
Question formats
The AWS Certified Data Engineer – Associate (DEA-C01) validates expertise in ingesting, transforming, orchestrating, and storing data on AWS. It covers services such as AWS Glue, Amazon Kinesis, Amazon Redshift, AWS Lake Formation, and Amazon EMR. Candidates demonstrate the ability to design and implement data pipelines, apply security and governance controls, and optimise data workloads for cost and performance. The certification is ideal for data engineers who work with AWS data services on a regular basis.
Official prerequisite
None formal; AWS recommends 2+ years of data engineering experience on AWS.
Recommended experience
Hands-on experience with AWS Glue, Kinesis, Redshift, S3, and Lake Formation; familiarity with SQL and Python.
2+ years building and maintaining data pipelines on AWS.
Should you skip this exam?
Complete beginners to AWS — start with AWS Cloud Practitioner first.
Courseiva study tip
Focus heavily on AWS Glue, Kinesis Data Streams vs Firehose differences, Redshift optimisation, and Lake Formation permissions.
UK salary range
£55,000–£80,000
US salary range
$110,000–$150,000
Job roles that cite DEA-C01
What certification to take next
The exam costs $150 USD (approximately £120 GBP). AWS Skill Builder subscribers and those with training discounts may be eligible for vouchers.
You need a scaled score of 720 out of 1000 to pass.
The exam contains 65 scored questions (multiple choice and multiple response) with 130 minutes to complete them.
It is considered moderate in difficulty. Strong knowledge of AWS Glue, Kinesis, Redshift, S3, and Lake Formation is essential, along with practical pipeline-building experience.
The exam covers data ingestion and transformation (AWS Glue, Kinesis), data store management (Redshift, S3, DynamoDB), data operations and pipelines (Step Functions, MWAA), and data security and governance (Lake Formation, IAM, KMS).
The certification is valid for 3 years. You can recertify by passing the same or a higher-level exam before expiry.
It is designed for data engineers, ETL developers, and analytics engineers with at least 2 years of hands-on experience building data solutions on AWS.
See how DEA-C01 stacks up against related certifications.
100% free — no account required
Everything on Courseiva for DEA-C01 is free — no subscription, no trial, no email wall. Pick a mode that matches your study phase: practice questions early on, mock exams closer to your exam date.
Practice Test
Start a 20-question session with a full explanation after each answer.
Mock Exam
Simulate the real exam with a timed, full-length question set.
Quick 25
A 25-question warm-up — ideal for a short daily study session.
Domain Practice
Focus exclusively on one exam domain to target your weakest area.
50-Question Set
A 50-question round spanning every exam domain.
Cheat sheet
The key facts and numbers for this exam on one page.
Acronyms
Every acronym on the exam blueprint, defined plainly.
Official objectives
Every official objective mapped to a matching practice page.
Exam glossary
A full glossary of DEA-C01 exam terminology.
Practice by topic
A dedicated practice page for every exam topic.
Courseiva Exam Intelligence
Data confidence: BuildingDerived from Courseiva's continuously updated practice dataset: 1,711 exam-style questions. Updated 2 July 2026.
Question difficulty mix
Average time per question: 99s
4
Exam domains
official blueprint domains covered by the bank
1,711
Questions
exam-style questions in the DEA-C01 bank
Exam guide
Start with a short practice session, review each missed answer, then return to the topics that caused mistakes.
AWS Certified Data Engineer Associate DEA-C01 spans 4 official exam domains (Data Ingestion and Transformation, Data Operations and Support, Data Security and Governance, and more). Questions test whether you can apply each objective in a realistic scenario, not just recall a definition.
Related practice questions
Use these internal links to move from the exam guide into focused topic practice pages.
Targeted DEA-C01 practice covering Data Ingestion and Transformation.
Targeted DEA-C01 practice covering Data Operations and Support.
Targeted DEA-C01 practice covering Data Security and Governance.
Sharpen your DEA-C01 knowledge of Data Store Management.
Work through DEA-C01 questions on DEA-C01 fundamentals.
DEA-C01 scenario practice questions for DEA-C01.
Targeted DEA-C01 practice covering DEA-C01 troubleshooting.
Practice directory
Every practice set is a unique selection of questions — numbered tests, domain-focused sessions, and topic-specific quizzes.
Showing 8 of 94 tests. See all 94 DEA-C01 practice tests →
Official blueprint
Target weak areas by practising questions from a single domain. Each domain page shows all questions, difficulty breakdown, and a focused practice session.
Weighted 34% on the official DEA-C01 blueprint →
Weighted 22% on the official DEA-C01 blueprint →
Covers 18% of the DEA-C01 exam →
26% of DEA-C01 questions come from this domain →
Deep-dive questions
The most-searched DEA-C01 questions — each with a detailed explanation, worked example, and full answer breakdown.
Learn the concepts
18 book-style chapters cover every DEA-C01 objective in plain English. Read the theory here, then test it with practice questions.
Chapter 1
AWS Data Engineering Overview and Core Concepts
12 min read
Chapter 2
Introduction to AWS Data Stores: Relational, Key-Value, Document, and Analytics
12 min read
Chapter 3
Amazon S3 as a Data Lake Store: Buckets, Objects, and Lifecycle Policies
12 min read
Chapter 4
Amazon RDS and Aurora: Managed Relational Databases for Data Engineering
12 min read
Chapter 5
Amazon DynamoDB: NoSQL Key-Value and Document Database for High-Throughput Workloads
12 min read
Chapter 6
Amazon Redshift: Cloud Data Warehousing and Analytics
12 min read
Chapter 7
Data Pipeline Orchestration with AWS Step Functions and AWS Glue Workflows
12 min read
Chapter 8
Data Quality, Monitoring, and Alerting with AWS Services
12 min read
Free study guide
The Courseiva DEA-C01 study guide covers exam format, the official domain blueprint with weights, a structured study plan, and domain-specific tips for each section. Use it alongside practice questions to build both conceptual depth and exam confidence.
Sample questions
Original exam-style questions — not copied from any exam or dump site. Open a question for the full answer breakdown.
A company uses Amazon Kinesis Data Firehose to ingest application logs into an Amazon S3 bucket. The logs are in JSON format. The data engineering team wants to convert the logs fr…
A data engineering team uses Amazon Kinesis Data Analytics for Apache Flink to process streaming data. They notice that the application's checkpointing is failing intermittently, c…
A data engineer is troubleshooting a Kinesis Data Analytics application that processes streaming data. The application is falling behind and has a high 'MillisBehindLatest' metric.…
A company is using Amazon DynamoDB with on-demand capacity for a gaming application that experiences unpredictable traffic spikes. The application consistently sees 'ProvisionedThr…
A company is using Amazon S3 to store sensitive data. They need to automatically transition objects to S3 Glacier Deep Archive after 90 days and delete them after 7 years. Which S3…
A company is using Amazon RDS for SQL Server with Multi-AZ. The database has a 500 GB data file and 100 GB log file. The application experiences high latency during peak hours. Mon…
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Official booking and top-rated study resources for the DEA-C01.
Courseiva provides free AWS Certified Data Engineer Associate DEA-C01 (DEA-C01) practice questions with original exam-style questions, detailed explanations, topic-based practice, mock exams, readiness tracking, and study analytics. Courseiva is an independent platform and is not affiliated with Amazon Web Services.