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.
A company uses AWS CloudFormation to manage a production environment. The DevOps team wants to implement a change management process where any changes to the stack must be reviewed before execution. Which feature should the team use?
CloudFormation StackSets
Why wrong: StackSets are for deploying stacks across accounts.
CloudFormation Stack Policies
Why wrong: Stack policies prevent updates to specific resources but do not provide a review process.
CloudFormation Change Sets
Change Sets allow review of changes before execution.
CloudFormation Drift Detection
Why wrong: Drift detection identifies changes made outside of CloudFormation.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
CloudFormation Change Sets
CloudFormation Change Sets allow the DevOps team to preview how proposed changes to a stack will impact running resources before they are executed. This enables a review-and-approval workflow because the change set can be created, reviewed, and then executed only after approval, satisfying the requirement for a change management process.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
CloudFormation StackSets
Why it's wrong here
StackSets are for deploying stacks across accounts.
CloudFormation Stack Policies
Why it's wrong here
Stack policies prevent updates to specific resources but do not provide a review process.
CloudFormation Change Sets
Why this is correct
Change Sets allow review of changes before execution.
Related concept
Read the scenario before looking for a memorised answer.
CloudFormation Drift Detection
Why it's wrong here
Drift detection identifies changes made outside of CloudFormation.
Common exam traps
The trap here is that candidates often confuse Stack Policies (which control update permissions) with Change Sets (which provide a preview), or they assume Drift Detection can be used to review proposed changes when it only detects unmanaged changes after they occur.
Detailed technical explanation
A Change Set is essentially a summary of the AWS CloudFormation diff between the current stack template and a submitted template, computed using the stack's current state and the new template parameters. It lists every resource action (e.g., Modify, Replace, Add, Remove) without actually making any changes, allowing the team to validate the impact—such as whether an EC2 instance will be replaced (causing downtime)—before executing the change set. This is critical in production environments where unintended resource replacement can lead to data loss or service interruption.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
The correct answer is: CloudFormation Change Sets — CloudFormation Change Sets allow the DevOps team to preview how proposed changes to a stack will impact running resources before they are executed. This enables a review-and-approval workflow because the change set can be created, reviewed, and then executed only after approval, satisfying the requirement for a change management process.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This DOP-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DOP-C02 exam.
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