The answer is that versioning is enabled, so previous versions of objects are preserved. This is correct because the command output shows a Status of 'Enabled' under the bucket's versioning configuration, which directly indicates that every object upload will create a new version rather than overwrite the existing one. On the AWS Certified Data Engineer Associate DEA-C01 exam, you must be able to interpret S3 bucket versioning status from command output, as this skill is frequently tested in scenario-based questions about data protection and accidental overwrites. A common trap is confusing the Status field with MFA Delete or lifecycle rules—versioning alone does not require MFA, expire old versions, or encrypt objects. To remember this, think of the Status line as the single source of truth: if it says 'Enabled', previous versions are safe; if 'Suspended', overwrites are permanent.
DEA-C01 Data Operations and Support Practice Question
This DEA-C01 practice question tests your understanding of data operations and support. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Network Topology
Refer to the exhibit. A data engineer runs the command on an Amazon S3 bucket used for data lake storage. The engineer is concerned about accidental overwrites of objects. What does the output indicate?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Versioning is enabled, so previous versions of objects are preserved.
Option A is correct because the Status 'Enabled' means versioning is turned on for the bucket. Option B is wrong because MFA Delete is not required for versioning. Option C is wrong because versioning does not automatically expire old versions. Option D is wrong because versioning does not encrypt objects.
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.
✓
Versioning is enabled, so previous versions of objects are preserved.
Why this is correct
Versioning keeps all versions of objects.
Related concept
Read the scenario before looking for a memorised answer.
✗
Old versions will be automatically deleted after a retention period.
Why it's wrong here
Lifecycle policies are needed for automatic deletion.
✗
Objects are encrypted at rest by default.
Why it's wrong here
Versioning does not imply encryption.
✗
MFA Delete is disabled, meaning anyone can delete objects permanently.
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.
Data Operations and Support — This question tests Data Operations and Support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Versioning is enabled, so previous versions of objects are preserved. — Option A is correct because the Status 'Enabled' means versioning is turned on for the bucket. Option B is wrong because MFA Delete is not required for versioning. Option C is wrong because versioning does not automatically expire old versions. Option D is wrong because versioning does not encrypt objects.
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.
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Question Discussion
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