The correct approach is to create a change set from the updated template, review the changes for IAM modifications, and execute only if no IAM changes are present. This works because CloudFormation change sets provide a detailed preview of every resource modification before execution, allowing you to inspect IAM policy changes specifically without risking unintended privilege escalations or security gaps. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of change set review capabilities versus other tools like StackSets or drift detection—a common trap is confusing drift detection (which finds manual changes) with change sets (which preview intended updates). Remember that change sets are your safety net for IAM governance: they let you validate that no new IAM actions or resources are introduced before a production deployment. A useful memory tip is “Change sets check the set of changes before you set the change in motion.”
DOP-C02 SDLC Automation Practice Question
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 company uses AWS CloudFormation to manage infrastructure. The development team wants to promote changes from a development environment to a production environment using change sets. They need to ensure that the production stack is not updated if there are any changes to the stack's IAM policies. Which approach should the team use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a ChangeSet from the updated template, review the changes for IAM modifications, and execute only if no IAM changes are present.
Option A is correct because ChangeSets allow reviewing changes before execution, and you can inspect changes to IAM resources. Option B is wrong because StackSets are for multi-account deployments. Option C is wrong because drift detection checks for manual changes, not intended updates. Option D is wrong because a custom resource is overly complex.
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.
✗
Enable drift detection on the production stack and compare with the development stack.
Why it's wrong here
Drift detection compares actual resources with template, not intended changes.
✓
Create a ChangeSet from the updated template, review the changes for IAM modifications, and execute only if no IAM changes are present.
Why this is correct
ChangeSets provide a preview of all changes, including IAM resource modifications.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS CloudFormation StackSets to deploy to multiple accounts and use stack instance filters.
Why it's wrong here
StackSets are for multi-account deployments, not for reviewing changes.
✗
Use a custom resource in the template that checks for IAM changes and fails the update.
Why it's wrong here
Custom resources add complexity and are not the standard way.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which DOP-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.
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: Create a ChangeSet from the updated template, review the changes for IAM modifications, and execute only if no IAM changes are present. — Option A is correct because ChangeSets allow reviewing changes before execution, and you can inspect changes to IAM resources. Option B is wrong because StackSets are for multi-account deployments. Option C is wrong because drift detection checks for manual changes, not intended updates. Option D is wrong because a custom resource is overly complex.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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 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?
easy
A.Drift detection
B.Stack policies
C.StackSets
✓ D.Change Sets
Why D: Option B is correct because Change Sets allow you to preview changes before executing. Option A is wrong because stack policies prevent updates to specific resources, not overall review. Option C is wrong because drift detection identifies differences, not updates. Option D is wrong because stack sets deploy across accounts, not preview changes.
Last reviewed: Jun 20, 2026
Question Discussion
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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.
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