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SDLC Automation →easyMultiple ChoiceObjective-mapped

CloudFormation Change Sets Approval Workflow

This DOP-C02 practice question tests your understanding of sdlc automation. 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 DevOps team is implementing infrastructure as code using AWS CloudFormation. They want to ensure that stack updates are reviewed and approved before execution. Which feature should they use?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Change Sets

Change Sets allow you to preview the proposed changes to a CloudFormation stack before executing them. This enables the DevOps team to review and approve modifications, ensuring that only validated updates are applied. By creating a change set, you can see exactly which resources will be added, modified, or deleted, and then decide whether to execute it.

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.

  • ✗

    Drift detection

    Why it's wrong here

    Drift detection identifies differences between actual and expected state.

  • ✗

    Stack policies

    Why it's wrong here

    Stack policies protect resources but do not provide a review process.

  • ✗

    StackSets

    Why it's wrong here

    StackSets manage stacks across multiple accounts.

  • ✓

    Change Sets

    Why this is correct

    Change Sets allow you to review proposed changes before applying them.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse stack policies (which control update permissions) with change sets (which provide a preview and approval workflow), leading them to select stack policies as the mechanism for review and approval.

Detailed technical explanation

How to think about this question

Change Sets work by comparing the current stack template with a proposed template, generating a list of resource changes (e.g., 'Modify', 'Add', 'Delete') and their effects. The change set is created without altering the stack, allowing you to inspect the JSON or YAML output for each resource's replacement behavior and any potential resource replacements (e.g., 'Replacement: True'). This is particularly useful in production environments where unintended deletions or replacements could cause downtime, as you can reject a change set that would, for example, replace an RDS instance without a snapshot.

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 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

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.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Change Sets — Change Sets allow you to preview the proposed changes to a CloudFormation stack before executing them. This enables the DevOps team to review and approve modifications, ensuring that only validated updates are applied. By creating a change set, you can see exactly which resources will be added, modified, or deleted, and then decide whether to execute it.

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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Last reviewed: Jul 4, 2026

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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.