This DOP-C02 practice question tests your understanding of configuration management and iac. 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.
Exhibit
Refer to the exhibit.
Resources:
MyBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: !Sub "${AWS::StackName}-mybucket-${AWS::Region}"
VersioningConfiguration:
Status: Enabled
DeletionPolicy: Retain
A DevOps engineer deploys the CloudFormation snippet shown in the exhibit. After the stack is deleted, the engineer checks for the S3 bucket. Which statement best describes the outcome?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Exhibit
Refer to the exhibit.
Resources:
MyBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: !Sub "${AWS::StackName}-mybucket-${AWS::Region}"
VersioningConfiguration:
Status: Enabled
DeletionPolicy: Retain
A
The bucket is deleted because the stack deletion overrides the DeletionPolicy.
Why wrong: DeletionPolicy is respected.
B
The bucket is retained (not deleted) after the stack deletion.
DeletionPolicy: Retain preserves the bucket.
C
The stack deletion fails because the bucket has versioning enabled.
Why wrong: Versioning does not prevent deletion of the stack.
D
The bucket is deleted along with the stack because the DeletionPolicy is not supported for S3 buckets.
Why wrong: DeletionPolicy is supported for S3 buckets.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The bucket is retained (not deleted) after the stack deletion.
The DeletionPolicy attribute with a value of 'Retain' explicitly instructs AWS CloudFormation to preserve the S3 bucket when the stack is deleted. Even though stack deletion normally removes all resources, the DeletionPolicy overrides this default behavior, so the bucket remains in the AWS account. The engineer will find the bucket still exists after the stack is deleted.
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.
✗
The bucket is deleted because the stack deletion overrides the DeletionPolicy.
Why it's wrong here
DeletionPolicy is respected.
✓
The bucket is retained (not deleted) after the stack deletion.
Why this is correct
DeletionPolicy: Retain preserves the bucket.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The stack deletion fails because the bucket has versioning enabled.
Why it's wrong here
Versioning does not prevent deletion of the stack.
✗
The bucket is deleted along with the stack because the DeletionPolicy is not supported for S3 buckets.
Why it's wrong here
DeletionPolicy is supported for S3 buckets.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume stack deletion always removes all resources, overlooking that the DeletionPolicy attribute can explicitly override that behavior for supported resource types like S3 buckets.
Detailed technical explanation
How to think about this question
The DeletionPolicy attribute is evaluated during stack deletion before any resource is removed. For S3 buckets, setting DeletionPolicy to 'Retain' means CloudFormation will skip the Delete API call for that bucket, leaving it intact with all objects and configurations. This is particularly useful for preserving data that must outlive the stack, such as log archives or backup buckets, but note that the bucket becomes orphaned and must be managed manually or via another stack.
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.
TExam Day Tips
→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.
Quick reference
AWS S3 Storage Class Comparison
Storage Class
Min Duration
Retrieval
Use Case
S3 Standard
None
Immediate
Frequently accessed data
S3 Standard-IA
30 days
Immediate
Infrequent access, rapid retrieval
S3 One Zone-IA
30 days
Immediate
Non-critical infrequent data
S3 Intelligent-Tiering
None
Immediate–hours
Unknown or changing access patterns
S3 Glacier Instant
90 days
Milliseconds
Archive with instant retrieval
S3 Glacier Flexible
90 days
Minutes–hours
Archive, flexible retrieval
S3 Glacier Deep Archive
180 days
Hours
Long-term compliance archive
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The bucket is retained (not deleted) after the stack deletion. — The DeletionPolicy attribute with a value of 'Retain' explicitly instructs AWS CloudFormation to preserve the S3 bucket when the stack is deleted. Even though stack deletion normally removes all resources, the DeletionPolicy overrides this default behavior, so the bucket remains in the AWS account. The engineer will find the bucket still exists after the stack is deleted.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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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 DevOps engineer is writing an AWS CloudFormation template that creates an Amazon S3 bucket with versioning enabled. The engineer wants to ensure that the bucket cannot be deleted accidentally. What should the engineer add to the template?
easy
✓ A.Set the DeletionPolicy attribute to Retain on the S3 bucket resource
B.Enable termination protection on the S3 bucket
C.Add a DependsOn clause to the bucket referencing the stack itself
D.A bucket policy that denies s3:DeleteBucket
Why A: Setting the DeletionPolicy attribute to Retain on the S3 bucket resource ensures that when the CloudFormation stack is deleted, the bucket is preserved and not removed. This is the correct AWS CloudFormation mechanism to prevent accidental deletion of a resource, as it overrides the default behavior of deleting all resources when a stack is deleted.
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Question Discussion
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