The correct way to retrieve the original object is to use the S3 console or CLI to list object versions and retrieve the version ID of the original object. This works because when S3 versioning is enabled, every upload creates a new version rather than overwriting the existing object; the original version remains stored with its unique version ID and is never destroyed. On the AWS Certified Developer Associate DVA-C02 exam, this concept tests your understanding that versioning provides a full audit trail and that the default GET request always returns only the latest version—a common trap is assuming the original is lost or that an “undo” feature exists. Remember that S3 versioning is append-only: you cannot delete or overwrite a previous version without explicitly specifying its version ID. A helpful memory tip is “Versioning is a time machine, not an eraser”—you must always specify the version ID to access the past.
DVA-C02 Troubleshooting and Optimization Practice Question
This DVA-C02 practice question tests your understanding of troubleshooting and optimization. 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.
The exhibit shows a CloudFormation template that creates an S3 bucket with versioning enabled. After deploying the stack, a developer uploads an object to the bucket. Later, the developer updates the object by uploading a new version. The developer wants to retrieve the original object. What is the correct way to do this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the S3 console or CLI to list object versions and retrieve the version ID of the original object.
Option A is correct because versioning allows preserving and retrieving previous versions. Option B is wrong because there is no undo in S3. Option C is wrong because the original is still present as a previous version. Option D is wrong because only the latest version is returned by default.
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.
✗
Restore the original object using the S3 Object Lambda.
Why it's wrong here
Object Lambda transforms data on retrieval, not for version retrieval.
✗
Use the S3 Batch Operations to revert to the original version.
Why it's wrong here
Batch Operations are for large-scale actions, not simple version retrieval.
✗
The original object is overwritten and cannot be retrieved.
Why it's wrong here
Versioning preserves overwritten objects.
✓
Use the S3 console or CLI to list object versions and retrieve the version ID of the original object.
Why this is correct
Versioning stores all versions; you can retrieve by version ID.
Related concept
Read the scenario before looking for a memorised answer.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which DVA-C02 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.
Troubleshooting and Optimization — This question tests Troubleshooting and Optimization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the S3 console or CLI to list object versions and retrieve the version ID of the original object. — Option A is correct because versioning allows preserving and retrieving previous versions. Option B is wrong because there is no undo in S3. Option C is wrong because the original is still present as a previous version. Option D is wrong because only the latest version is returned by default.
What should I do if I get this DVA-C02 question wrong?
Identify which DVA-C02 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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