The answer is that the Transfer Acceleration setting remains unchanged after the stack update. This is correct because CloudFormation drift detection identifies manual changes but does not automatically revert them; the service only overwrites properties that are explicitly defined in the template. Since the original template did not include the Transfer Acceleration property, CloudFormation treats it as an unmanaged attribute and will not disable or reset it during an update. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of resource drift versus template-driven management—a common trap is assuming CloudFormation enforces a full resource baseline on every update, when in reality it only reconciles properties it was told to manage. Remember the memory tip: “If it’s not in the template, CloudFormation won’t touch it.”
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Exhibit
Refer to the exhibit.
```
# CloudFormation template snippet
Resources:
MyBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: my-app-data-bucket
VersioningConfiguration:
Status: Enabled
```
Refer to the exhibit. A company deploys this CloudFormation template. After deployment, they enable S3 Transfer Acceleration on the bucket. Later, they update the stack. What happens to the Transfer Acceleration setting?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Transfer Acceleration setting remains unchanged after the update.
Option D is correct. CloudFormation drift detection does not automatically revert manual changes. The Transfer Acceleration setting is a property of the bucket; if not defined in the template, CloudFormation may not manage it, but typically manual changes are not overwritten unless the template explicitly defines them. However, best practice is to define all settings in the template to avoid drift. Option A is wrong because CloudFormation does not automatically disable it. Option B is wrong because CloudFormation does not automatically enable it. Option C is wrong because updates do not reset to 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.
✗
CloudFormation enables Transfer Acceleration because it is a best practice.
Why it's wrong here
CloudFormation does not automatically enable features not in the template.
✗
The update fails because of a conflict between the template and the manual change.
Why it's wrong here
Updates typically succeed, but manual changes may cause drift.
✗
CloudFormation removes the Transfer Acceleration setting because it is not defined in the template.
Why it's wrong here
CloudFormation does not remove manual changes unless explicitly configured.
✓
The Transfer Acceleration setting remains unchanged after the update.
Why this is correct
Manual changes persist unless the template manages that property.
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 SAP-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.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The Transfer Acceleration setting remains unchanged after the update. — Option D is correct. CloudFormation drift detection does not automatically revert manual changes. The Transfer Acceleration setting is a property of the bucket; if not defined in the template, CloudFormation may not manage it, but typically manual changes are not overwritten unless the template explicitly defines them. However, best practice is to define all settings in the template to avoid drift. Option A is wrong because CloudFormation does not automatically disable it. Option B is wrong because CloudFormation does not automatically enable it. Option C is wrong because updates do not reset to default.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-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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