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DEA-C01

AWS Data Engineer Associate DEA-C01 Practice Tests

312 explained questions: four domain drills and two 65-question exams for the current DEA-C01 scope

AWSEnglish course content6 practice tests
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AWS Data Engineer Associate DEA-C01 Practice Tests

Overview

What you’ll practice

Exam referenceDEA-C01
Course version published
Review official exam information

Check the provider’s current objectives before booking your exam. This is independent practice material.

  • Choose ingestion and transformation patterns from source behavior, latency, replay, and cost constraints.
  • Compare storage and catalog designs using access patterns, lifecycle, schema evolution, and data sharing needs.
  • Diagnose workflow, query, monitoring, and data-quality failures from observable symptoms.
  • Apply identity, permission, encryption, audit, privacy, and regional-control boundaries to data pipelines.
  • Explain why close alternatives fail, using the feedback on each answer option.
More about this course

This course contains the use of artificial intelligence.

Data engineering exam questions become difficult when several AWS services seem plausible. The useful distinction is often a boundary: streaming versus batch arrival, a query store versus a serving store, a failover standby versus a readable replica, or catalog discovery versus permission to read data.

Practice those decisions across 312 original questions in six tests:

  1. Work through 182 focused questions in four domain drills: Data Ingestion and Transformation, Data Store Management, Data Operations and Support, and Data Security and Governance.
  2. Take two mixed-domain, 65-question practice exams with 130 minutes each.
  3. Review the answer rationale and feedback for every option. Use the linked AWS documentation in the study tips when a boundary is unfamiliar.

The question set follows the AWS Certified Data Engineer – Associate DEA-C01 v1.1 exam guide checked on September 30, 2026. It includes decisions involving Apache Iceberg, vector search, LLM-assisted processing, and SageMaker Catalog and Unified Studio. The 80% test threshold is a study checkpoint chosen for this course; it is not an AWS score conversion or a promise of exam readiness.

Start with a domain drill where you need practice. After reviewing missed reasoning, take the first full exam under timed conditions. Use the second exam to test transfer to different scenarios. This is independent training material, not official AWS content or recalled exam questions.

Practice sets

6 practice tests. 312 questions.

01

Domain 1: Data Ingestion and Transformation

63 questions125 minutes

02

Domain 2: Data Store Management

46 questions90 minutes

03

Domain 3: Data Operations and Support

40 questions80 minutes

04

Domain 4: Data Security and Governance

33 questions65 minutes

05

Full-Length Practice Exam 1

65 questions130 minutes

06

Full-Length Practice Exam 2

65 questions130 minutes

FREE COURSE PREVIEW

Try it. Then understand it.

Three original single-answer questions from this course. Your answers stay in this page and are cleared when you leave.

Choose one answer1 of 3

A clickstream team has three independent applications reading the same Kinesis Data Streams shard. Each application's lag rises when the others become busy, although producers are not throttled. The team wants dedicated read capacity for each consumer without adding shards solely for readers. What should it configure?

Before you begin

  • Basic familiarity with AWS core services and data pipeline concepts.
  • Ability to read English technical scenarios and short SQL expressions.
  • An AWS account is optional; the tests do not require paid cloud resources.

Who this is for

  • Candidates preparing for the AWS Certified Data Engineer – Associate DEA-C01 exam.
  • Data engineers who want scenario practice across the current exam domains.
  • AWS practitioners reviewing data pipeline design, troubleshooting, and governance choices.

Questions

Before you take the next step.

Where do I buy and take the course?

Use “Continue on Udemy” to open this course on Udemy. Udemy provides checkout, account access and the learning experience.

Is the course included with a Udemy subscription?

Inclusion can vary by course, plan and location. Check the current course page and your Udemy plan before purchasing.

Does this include the official certification exam?

No. This is independent preparation material. Certification registration, exam fees and credentials are managed by the exam provider.

Can I switch the course language?

These courses are in English. The website language switch changes navigation and guides; it does not translate the Udemy course.

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