- A
Have the Lambda function publish a message to an SNS topic that the response team subscribes to.
SNS can send notifications via email, SMS, etc., to the team.
- B
Configure the CloudWatch alarm to directly invoke the Lambda function for incident creation.
Why wrong: Incident Manager creates incidents from CloudWatch alarms, but the Lambda should be triggered by Incident Manager events, not directly by the alarm.
- C
Use Incident Manager's built-in 'Acknowledge' and 'Notify' actions in a response plan.
Why wrong: Incident Manager does not have built-in 'Notify' actions; it uses engagement plans and SNS.
- D
Use AWS Step Functions to orchestrate the Lambda function and SNS topic.
Why wrong: Step Functions adds unnecessary complexity; a simple Lambda with SNS is sufficient.
- E
Create an EventBridge rule that matches Incident Manager events and triggers a Lambda function.
EventBridge can capture incident creation events and invoke Lambda.
Quick Answer
The correct actions are to create an EventBridge rule that matches Incident Manager events and triggers a Lambda function, and then have that Lambda function use Amazon SNS to send notifications to the response team. This works because Incident Manager emits events to EventBridge whenever an incident is created or updated, and Lambda can subscribe to those events to automatically acknowledge the incident via the AWS SDK, while SNS provides a reliable channel for pushing alerts to on-call personnel. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of how Incident Manager integrates with event-driven services rather than relying on direct CloudWatch alarm triggers or Step Functions for simple workflows. A common trap is confusing Incident Manager’s response plans with its engagement plans, or assuming Lambda must be invoked directly by Incident Manager instead of through EventBridge. Remember the mnemonic “ELSA” — EventBridge triggers Lambda, Lambda calls SNS for Acknowledgment.
DOP-C02 Incident and Event Response Practice Question
This DOP-C02 practice question tests your understanding of incident and event response. 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's DevOps team is designing an automated incident response workflow using AWS Systems Manager Incident Manager and AWS Lambda. The workflow should automatically acknowledge incidents and send notifications to the appropriate response team. Which TWO actions should the team take to achieve this?
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
Have the Lambda function publish a message to an SNS topic that the response team subscribes to.
Option A is correct because Lambda can be triggered by Incident Manager via Amazon EventBridge. Option C is correct because the Lambda function can use SNS to send notifications to the team. Option B is wrong because Incident Manager does not directly respond to CloudWatch alarms; it uses engagement plans. Option D is wrong because Response Plans are different from Incident Manager response plans. Option E is wrong because Step Functions is unnecessary for this simple workflow.
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.
- ✓
Have the Lambda function publish a message to an SNS topic that the response team subscribes to.
Why this is correct
SNS can send notifications via email, SMS, etc., to the team.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure the CloudWatch alarm to directly invoke the Lambda function for incident creation.
Why it's wrong here
Incident Manager creates incidents from CloudWatch alarms, but the Lambda should be triggered by Incident Manager events, not directly by the alarm.
- ✗
Use Incident Manager's built-in 'Acknowledge' and 'Notify' actions in a response plan.
Why it's wrong here
Incident Manager does not have built-in 'Notify' actions; it uses engagement plans and SNS.
- ✗
Use AWS Step Functions to orchestrate the Lambda function and SNS topic.
Why it's wrong here
Step Functions adds unnecessary complexity; a simple Lambda with SNS is sufficient.
- ✓
Create an EventBridge rule that matches Incident Manager events and triggers a Lambda function.
Why this is correct
EventBridge can capture incident creation events and invoke Lambda.
Related concept
Read the scenario before looking for a memorised answer.
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 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.
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Incident and Event Response — This question tests Incident and Event Response — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Have the Lambda function publish a message to an SNS topic that the response team subscribes to. — Option A is correct because Lambda can be triggered by Incident Manager via Amazon EventBridge. Option C is correct because the Lambda function can use SNS to send notifications to the team. Option B is wrong because Incident Manager does not directly respond to CloudWatch alarms; it uses engagement plans. Option D is wrong because Response Plans are different from Incident Manager response plans. Option E is wrong because Step Functions is unnecessary for this simple workflow.
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.
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Last reviewed: Jun 20, 2026
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