- A
Configure an S3 Lifecycle policy to transition objects to Glacier Deep Archive after 90 days and expire them after 7 years.
Lifecycle policies provide automated transitions and expirations based on object age.
- B
Manually move objects to Glacier Deep Archive and delete them using a script.
Why wrong: Manual approach is not automated and likely to miss compliance requirements.
- C
Use S3 Intelligent-Tiering to automatically move objects to Glacier Deep Archive and set expiration.
Why wrong: S3 Intelligent-Tiering does not support deletion; it only moves between access tiers.
- D
Enable S3 Object Lock with a retention period of 7 years and use a lifecycle policy to transition to Glacier Deep Archive.
Why wrong: Object Lock prevents deletion, but the requirement is to delete after 7 years, not retain indefinitely.
Quick Answer
The answer is to configure an S3 Lifecycle policy to transition objects to Glacier Deep Archive after 90 days and expire them after 7 years. This is correct because an S3 Lifecycle policy automates both the storage class transition and the permanent deletion based on object age, using a single rule with separate transition and expiration actions. For the AWS Certified Data Engineer Associate DEA-C01 exam, this scenario tests your understanding of cost-optimized lifecycle management versus manual processes or retention-only features. A common trap is confusing S3 Object Lock (which only prevents deletion) with lifecycle expiration, or assuming S3 Intelligent-Tiering handles deletion when it only moves data between access tiers. Remember the key distinction: lifecycle policies manage both where data lives and when it dies. Memory tip: "Transition to deep freeze, then expire—lifecycle does both in one rule."
DEA-C01 Data Store Management Practice Question
This DEA-C01 practice question tests your understanding of data store management. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is using Amazon S3 to store sensitive data. To meet compliance requirements, they need to automatically transition objects to S3 Glacier Deep Archive after 90 days and delete them after 7 years. What is the MOST cost-effective way to configure this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Configure an S3 Lifecycle policy to transition objects to Glacier Deep Archive after 90 days and expire them after 7 years.
Option C is correct because a lifecycle policy can transition objects based on age and delete them after a specified period. Option A is wrong because manual deletion is error-prone and not automated. Option B is wrong because S3 Intelligent-Tiering does not delete objects. Option D is wrong because S3 Object Lock is for retention, not lifecycle management.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Configure an S3 Lifecycle policy to transition objects to Glacier Deep Archive after 90 days and expire them after 7 years.
Why this is correct
Lifecycle policies provide automated transitions and expirations based on object age.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Manually move objects to Glacier Deep Archive and delete them using a script.
Why it's wrong here
Manual approach is not automated and likely to miss compliance requirements.
- ✗
Use S3 Intelligent-Tiering to automatically move objects to Glacier Deep Archive and set expiration.
Why it's wrong here
S3 Intelligent-Tiering does not support deletion; it only moves between access tiers.
- ✗
Enable S3 Object Lock with a retention period of 7 years and use a lifecycle policy to transition to Glacier Deep Archive.
Why it's wrong here
Object Lock prevents deletion, but the requirement is to delete after 7 years, not retain indefinitely.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Identify which DEA-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Data Store Management — study guide chapter
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FAQ
Questions learners often ask
What does this DEA-C01 question test?
Data Store Management — This question tests Data Store Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure an S3 Lifecycle policy to transition objects to Glacier Deep Archive after 90 days and expire them after 7 years. — Option C is correct because a lifecycle policy can transition objects based on age and delete them after a specified period. Option A is wrong because manual deletion is error-prone and not automated. Option B is wrong because S3 Intelligent-Tiering does not delete objects. Option D is wrong because S3 Object Lock is for retention, not lifecycle management.
What should I do if I get this DEA-C01 question wrong?
Identify which DEA-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on DEA-C01
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is using Amazon S3 to store critical data and needs to ensure that objects are automatically transitioned to S3 Glacier Deep Archive after 180 days to reduce costs. Which S3 lifecycle action should be configured?
easy- A.Expiration
- ✓ B.Transition
- C.AbortIncompleteMultipartUpload
- D.NoncurrentVersionTransition
Why B: Option B is correct because the S3 lifecycle 'Transition' action is specifically designed to move objects between storage classes after a specified number of days. To reduce costs by moving objects to S3 Glacier Deep Archive after 180 days, you configure a lifecycle rule with a Transition action that targets the 'DEEP_ARCHIVE' storage class at the 180-day mark.
Last reviewed: Jun 20, 2026
This DEA-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DEA-C01 exam.
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