DOP-C02 Configuration Management and IaC Practice Question
This DOP-C02 practice question tests your understanding of configuration management and iac. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 uses AWS CloudFormation to manage its infrastructure. The DevOps team wants to ensure that stack updates do not accidentally delete critical resources like a database. Which CloudFormation stack policy should they apply to protect the database resource?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a stack policy that denies delete actions on the logical resource ID of the database.
Option A is correct because a CloudFormation stack policy allows you to define resource-level permissions that prevent specific resources (identified by their logical resource ID) from being updated or deleted during a stack update. By creating a policy that denies delete actions on the database's logical resource ID, the DevOps team ensures that even if the template or parameters change, the database resource cannot be accidentally removed.
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.
✓
Create a stack policy that denies delete actions on the logical resource ID of the database.
Why this is correct
A stack policy can deny update or delete actions on specific resources within a stack.
Related concept
Read the scenario before looking for a memorised answer.
✗
Apply an IAM policy that denies cloudformation:DeleteStack on the database.
Why it's wrong here
IAM policies control user permissions but cannot protect individual resources within a stack.
✗
Use an S3 bucket policy to deny deletion of the database snapshot.
Why it's wrong here
S3 bucket policies are not applicable to CloudFormation resource protection.
✗
Enable termination protection on the CloudFormation stack.
Why it's wrong here
Termination protection prevents stack deletion, not deletion of individual resources during stack updates.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse termination protection (which prevents stack deletion) with resource-level protection during updates, leading them to choose option D instead of understanding that stack policies are needed for granular resource safeguards.
Detailed technical explanation
How to think about this question
CloudFormation stack policies are JSON documents that specify allowed or denied actions (Update, Delete, Replace) on specific logical resource IDs. They are evaluated during stack updates and can use wildcards or conditions, such as denying delete on a database resource while allowing updates to its properties. A common real-world scenario is protecting a production RDS instance by setting a stack policy that denies replacement, ensuring the database is not recreated with a new physical ID.
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.
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: Create a stack policy that denies delete actions on the logical resource ID of the database. — Option A is correct because a CloudFormation stack policy allows you to define resource-level permissions that prevent specific resources (identified by their logical resource ID) from being updated or deleted during a stack update. By creating a policy that denies delete actions on the database's logical resource ID, the DevOps team ensures that even if the template or parameters change, the database resource cannot be accidentally removed.
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.
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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