Free AWS Certified Data Engineer - Associate DEA-C01 Exam Questions and Answers
AWS Certified Data Engineer - Associate DEA-C01 is exam DEA-C01, part of AWS Certification from Amazon Web Services. AWS codes take the form ROLE-Cnn, where the letters name the role and tier and the C-number is the syllabus revision — so SAA-C03 is the third revision of Solutions Architect Associate. Exams are multiple choice and multiple response through Pearson VUE, scored on a 100 to 1000 scale, with the pass mark set by tier: 700 Foundational, 720 Associate, 750 Professional and Specialty.
Candidates comparing DEA-C01 exam dumps, ExamTopics and other DEA-C01 practice tests use this page for the answers and explanations behind each question. Download the free DEA-C01 PDF, then sit the timed DEA-C01 exam simulation before booking with Amazon.
Last updated: October 2, 2026
- Exam code
- DEA-C01
- Provider
- Amazon
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #3
A company stores petabytes of data in thousands of Amazon S3 buckets in the S3 Standard storage class. The data supports analytics workloads that have unpredictable and variable data access patterns. The company does not access some data for months. However, the company must be able to retrieve all data within milliseconds. The company needs to optimize S3 storage costs. Which solution will meet these requirements with the LEAST operational overhead?
Correct answer: D
Explanation
S3 Intelligent-Tiering is a storage class that automatically moves objects between four access tiers based on the changing access patterns. The default access tier consists of two tiers: Frequent Access and Infrequent Access. Objects in the Frequent Access tier have the same performance and availability as S3 Standard, while objects in the Infrequent Access tier have the same performance and availability as S3 Standard-IA. S3 Intelligent-Tiering monitors the access patterns of each object and moves them between the tiers accordingly, without any operational overhead or retrieval fees. This solution can optimize S3 storage costs for data with unpredictable and variable access patterns, while ensuring millisecond latency for data retrieval. The other solutions are not optimal or relevant for this requirement. Using S3 Storage Lens standard metrics and activity metrics can provide insights into the storage usage and access patterns, but they do not automate the data movement between storage classes. Creating S3 Lifecycle policies for the S3 buckets can move objects to more cost-optimized storage classes, but they require manual configuration and maintenance, and they may incur retrieval fees for data that is accessed unexpectedly. Activating the Deep Archive Access tier for S3 Intelligent-Tiering can further reduce the storage costs for data that is rarely accessed, but it also increases the retrieval time to 12 hours, which does not meet the requirement of millisecond latency. References: • S3 Intelligent-Tiering • S3 Storage Lens • S3 Lifecycle policies • [AWS Certified Data Engineer - Associate DEA-C01 Complete Study Guide]
Continue with AWS Certified Data Engineer - Associate DEA-C01
Unlock the full question bank
You have read the first 10 questions. A subscription opens every question in AWS Certified Data Engineer - Associate DEA-C01, the full timed practice test, and your progress and weak-topic reporting.
Single exam
$19.99for 30 days
Full question bank and practice test for one exam, for 30 days.
Single exam
$49.99for 1 year
One exam for a full year. Nothing renews and nothing to cancel.
Full access
$39.99/mo
Every exam in the catalogue, month to month.
Full access
$199.99/yr
Every exam in the catalogue for a year.
Already subscribed? Sign in to pick up where you left off.
Discussion
Explain your reasoning, not just the letterBrowse the free questions by topic
More DEA-C01 questions
- Question 1A data engineer needs to join data from multiple sources to perform a one-time analysis job. The data is stored in…
- Question 2A company stores datasets in JSON format and .csv format in an Amazon S3 bucket. The company has Amazon RDS for…
- Question 4A data engineer is configuring Amazon SageMaker Studio to use AWS Glue interactive sessions to prepare data for machine…
- Question 5A company's data engineer needs to optimize the performance of table SQL queries. The company stores data in an Amazon…
- Question 6A company uses Amazon S3 to store semi-structured data in a transactional data lake. Some of the data files are small…
All AWS Certified Data Engineer - Associate DEA-C01 practice questions →
Other Amazon certifications
- AWS Certified Solutions Architect - Associate SAA-C03 (opens in a new tab)
- AWS Certified Cloud Practitioner CLF-C02 (opens in a new tab)
- AWS Certified Developer - Associate DVA-C02 (opens in a new tab)
- SCS-C03: AWS Certified Security - Specialty (opens in a new tab)
- SOA-C03: AWS Certified CloudOps Engineer - Associate (opens in a new tab)
- AWS Certified Solutions Architect - Professional SAP-C02: AWS Certified Solutions Architect -Professional SAP-C02 (opens in a new tab)
Reviews
Write a review★★★★★
Exam Practice is worth every penny. The mock exams are realistic, and the feedback helped me focus on key areas.
Amit SharmaVerified buyer
★★★★★
I highly recommend Exam Practice. The feedback after each test helped me improve significantly, and I passed my exams easily.
Oscar NyströmVerified buyer
★★★★★
This platform is a lifesaver. The practice questions and explanations are so detailed. It’s the best study tool I’ve ever used.
Hannah SmithVerified buyer
FAQ
Learn More: https://aws.amazon.com/certification/
- Q1: What is the AWS Certified Data Engineer - Associate DEA-C01 exam?
- A: AWS Certified Data Engineer - Associate DEA-C01 is a Amazon certification exam. Judging by the questions in our bank, it concentrates on amazon, engineer, redshift, athena and bucket.
- Q2: What topics does the AWS Certified Data Engineer - Associate DEA-C01 exam cover?
- A: Questions in our AWS Certified Data Engineer - Associate DEA-C01 bank cluster around amazon, engineer, redshift, athena, bucket, overhead, apache and glue. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for AWS Certified Data Engineer - Associate DEA-C01?
- A: Work through the AWS Certified Data Engineer - Associate DEA-C01 practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real AWS Certified Data Engineer - Associate DEA-C01 exam questions?
- A: They are drawn from officially released past questions and from community members who have sat AWS Certified Data Engineer - Associate DEA-C01. Answers are verified and updated weekly.
- Q5: Where do I register for the AWS Certified Data Engineer - Associate DEA-C01 exam?
- A: Register through Amazon directly at https://aws.amazon.com/certification/. Exampractice is not affiliated with Amazon and does not administer the exam.
- Q6: Is there a free AWS Certified Data Engineer - Associate DEA-C01 sample?
- A: Yes. Every AWS Certified Data Engineer - Associate DEA-C01 page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Amazon Certification Exams?
- A: Amazon Certification Exams validate your expertise in Amazon Web Services (AWS), covering a range of cloud computing skills, including architecture, development, operations, and data analytics. These certifications demonstrate your proficiency in designing, deploying, and managing applications on the AWS platform.
- Q8: Why should I pursue Amazon Certification?
- A: Amazon Certification enhances your professional credibility, showcasing your skills and knowledge in AWS services. This can lead to better job opportunities, higher salaries, and career advancement in the cloud computing and IT industry.
- Q9: What are the benefits of Amazon Certification?
- A: Benefits include recognition as a certified cloud professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest AWS technologies and best practices.
- Q10: Who should take Amazon Certification Exams?
- A: IT professionals, cloud architects, developers, system administrators, data analysts, and anyone involved in designing, implementing, and managing cloud solutions on AWS should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Amazon Certification Exams are available?
- A: Amazon offers various certification paths, including Foundational Level (AWS Certified Cloud Practitioner), Associate Level (AWS Certified Solutions Architect, AWS Certified Developer, AWS Certified SysOps Administrator), Professional Level (AWS Certified Solutions Architect – Professional, AWS Certified DevOps Engineer – Professional), and Specialty Certifications (Security, Big Data, Advanced Networking, and more).
- Q12: How do I prepare for Amazon Certification Exams?
- A: Preparation can include official AWS training courses, study guides, practice exams, online tutorials, and hands-on experience with AWS services and solutions.
- Q13: Where can I take Amazon Certification Exams?
- A: Amazon Certification Exams can be taken online or at authorized testing centers worldwide, providing flexibility to fit your schedule and location.
- Q14: How do Amazon Certifications impact my career?
- A: Amazon Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in the cloud computing and IT industry.
- Q15: Are there any prerequisites for Amazon Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the AWS Certification website.
- Q16: How often do I need to recertify for Amazon Certifications?
- A: AWS Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest AWS technologies and industry practices.