The answer is to add a manual approval action in the pipeline before the CloudFormation deployment stage. This is correct because AWS CodePipeline includes a native approval action that pauses the pipeline execution at that point, requiring a manual thumbs-up or thumbs-down before proceeding to the deployment stage. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of pipeline stage transitions and the difference between approval actions and other review mechanisms. A common trap is confusing CloudFormation change sets with a manual approval step—change sets let you preview changes but do not pause the pipeline automatically. Another trap is thinking an SNS notification or a Lambda function alone can block the pipeline, but neither provides the built-in pause-and-wait behavior. Remember the mnemonic: "Approve before you Deploy" to recall that the approval action must sit directly before the deployment stage in the pipeline structure.
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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 is using AWS CodePipeline to automate their CI/CD pipeline. The pipeline includes a deployment stage that uses AWS CloudFormation to deploy infrastructure. The company wants to add a manual approval step before the CloudFormation deployment. How should this be configured?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add a manual approval action in the pipeline before the CloudFormation deployment stage.
Option B is correct because CodePipeline has a built-in approval action that pauses the pipeline until manually approved. Option A is wrong because CloudFormation change sets allow review but do not pause the pipeline. Option C is wrong because Lambda cannot block the pipeline. Option D is wrong because SNS alone does not pause the pipeline.
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.
✗
Add a CloudFormation change set action before the deployment.
Why it's wrong here
Change sets allow reviewing changes but do not provide a manual approval step in the pipeline.
✗
Configure an Amazon SNS topic to send a notification and require a confirmation.
Why it's wrong here
SNS does not have a built-in approval mechanism for CodePipeline.
✓
Add a manual approval action in the pipeline before the CloudFormation deployment stage.
Why this is correct
CodePipeline supports manual approval actions that pause the pipeline until approval is granted.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use an AWS Lambda function to send an email and wait for a response.
Why it's wrong here
Lambda cannot pause the pipeline; it would be asynchronous.
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 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 SOA-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.
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Add a manual approval action in the pipeline before the CloudFormation deployment stage. — Option B is correct because CodePipeline has a built-in approval action that pauses the pipeline until manually approved. Option A is wrong because CloudFormation change sets allow review but do not pause the pipeline. Option C is wrong because Lambda cannot block the pipeline. Option D is wrong because SNS alone does not pause the pipeline.
What should I do if I get this SOA-C02 question wrong?
Identify which SOA-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.
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Question Discussion
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