The answer is to configure an SNS topic in the CloudFormation stack's 'NotificationARNs' parameter. This is correct because CloudFormation natively supports this parameter, which automatically publishes stack events—including creation failures—to the specified SNS topic without requiring any additional infrastructure, custom scripts, or monitoring services like Amazon CloudWatch. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this question tests your understanding of CloudFormation’s built-in notification capabilities versus more complex alternatives such as EventBridge rules or Lambda triggers. A common trap is over-engineering the solution by adding extra components when the native parameter already handles the requirement with the least effort. Remember the key phrase: “NotificationARNs” is the direct, zero-code path to notify on CloudFormation stack failure SNS—think of it as the stack’s own event broadcaster.
SOA-C02 Monitoring, Logging, and Remediation Practice Question
This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. 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 deploy its infrastructure. The SysOps administrator needs to be notified when a stack creation fails. Which solution meets this requirement with the LEAST effort?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure an SNS topic in the CloudFormation stack's 'NotificationARNs' parameter.
Option C is correct because CloudFormation natively supports specifying an SNS topic in the 'NotificationARNs' parameter, which automatically sends notifications on stack events such as creation failure. This requires no additional infrastructure, scripting, or monitoring setup, making it the least-effort solution.
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 CloudWatch alarm that triggers when the CloudFormation stack status is 'CREATE_FAILED'.
Why it's wrong here
CloudFormation does not publish stack status to CloudWatch by default.
✗
Use AWS CloudTrail to monitor CreateStack API calls and trigger an SNS notification.
Why it's wrong here
CloudTrail does not provide real-time event-driven notifications without additional setup.
✓
Configure an SNS topic in the CloudFormation stack's 'NotificationARNs' parameter.
Why this is correct
This is a built-in feature to send stack events to SNS.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Write a custom script that polls the CloudFormation API every minute and sends an SNS notification on failure.
Why it's wrong here
This requires more effort than using the built-in SNS integration.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overthink and choose CloudWatch alarms or CloudTrail, not realizing that CloudFormation's built-in SNS notification parameter provides a zero-configuration, event-driven solution for stack failure alerts.
Detailed technical explanation
How to think about this question
The 'NotificationARNs' parameter in a CloudFormation template accepts a list of SNS topic ARNs; when a stack event occurs (e.g., CREATE_FAILED, UPDATE_COMPLETE), CloudFormation publishes a JSON message to the topic with details like stack ID, resource status, and reason. This integration is built into the CloudFormation service, ensuring near-real-time delivery without polling or external orchestration. In a real-world scenario, this is ideal for alerting operations teams immediately when a stack creation fails due to, say, an IAM permission error or a resource limit.
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.
Monitoring, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure an SNS topic in the CloudFormation stack's 'NotificationARNs' parameter. — Option C is correct because CloudFormation natively supports specifying an SNS topic in the 'NotificationARNs' parameter, which automatically sends notifications on stack events such as creation failure. This requires no additional infrastructure, scripting, or monitoring setup, making it the least-effort solution.
What should I do if I get this SOA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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. An organization is using AWS CloudFormation to deploy infrastructure. The SysOps administrator needs to receive notifications when stack creation fails. What is the simplest way to achieve this?
medium
A.Create a CloudWatch alarm on the 'StackCreationFailure' metric.
✓ B.Provide an SNS topic ARN in the --notification-arns parameter when creating the stack.
C.Create an EventBridge rule that triggers on CloudFormation events.
D.Enable CloudTrail and create a metric filter for 'CreateStack' failures.
Why B: Option B is correct because the `--notification-arns` parameter in the AWS CLI `create-stack` command directly associates an SNS topic with the stack, causing CloudFormation to publish notifications for all stack events, including failures. This is the simplest method as it requires no additional services or configuration beyond specifying the SNS topic ARN at stack creation.
Last reviewed: Jun 24, 2026
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This SOA-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 SOA-C02 exam.
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