- A
CloudWatch Events rule
Why wrong: Events are for event-driven patterns, not metric alarms.
- B
CloudWatch Logs
Why wrong: Logs are for log data, not metric-based alarms.
- C
CloudWatch alarm
Alarm monitors the metric and triggers actions.
- D
EC2 StatusCheckFailed metric
This metric reports instance status checks.
- E
Amazon SNS topic
SNS is used to send notifications when alarm triggers.
Question 350 of 1,750
DOP-C02 CloudWatch Alarm Practice Question
This DOP-C02 practice question tests your understanding of incident and event response. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: cloudWatch Alarm. 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 Amazon CloudWatch for monitoring. The operations team wants to receive an alert when an EC2 instance's status check fails for 2 consecutive minutes. Which THREE resources should the team configure? (Choose three.)
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
✓
CloudWatch alarm
To alert when an EC2 instance's status check fails for 2 consecutive minutes, you need to create a CloudWatch alarm on the StatusCheckFailed metric (options C and D). The alarm needs to send notifications via an SNS topic (option E). Option A (CloudWatch Events rule) is not used for metric-based alerts; CloudWatch Events triggers on events or schedules, not metric thresholds. Option B (CloudWatch Logs) is for log data, not metrics.
Key principle: CloudWatch Alarm
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CloudWatch Events rule
Why it's wrong here
Events are for event-driven patterns, not metric alarms.
- ✗
CloudWatch Logs
Why it's wrong here
Logs are for log data, not metric-based alarms.
- ✓
CloudWatch alarm
Why this is correct
Alarm monitors the metric and triggers actions.
Related concept
CloudWatch Alarm
- ✓
EC2 StatusCheckFailed metric
Why this is correct
This metric reports instance status checks.
Related concept
CloudWatch Alarm
- ✓
Amazon SNS topic
Why this is correct
SNS is used to send notifications when alarm triggers.
Related concept
CloudWatch Alarm
Common exam traps
Common exam trap: answer the scenario, not the keyword
A common trap is confusing CloudWatch Events with CloudWatch Alarms. CloudWatch Events are for event-driven actions based on state changes or schedules, not for monitoring metric thresholds over time. Metric alarms require the CloudWatch Alarm resource.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- CloudWatch Alarm
- EC2 StatusCheckFailed Metric
- Amazon SNS Topic
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
CloudWatch Alarm
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. CloudWatch Alarm 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.
Review cloudWatch Alarm, then practise related DOP-C02 questions on the same topic to reinforce the concept.
- →
Incident and Event Response — study guide chapter
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Incident and Event Response practice questions
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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 — CloudWatch Alarm.
What is the correct answer to this question?
The correct answer is: CloudWatch alarm — To alert when an EC2 instance's status check fails for 2 consecutive minutes, you need to create a CloudWatch alarm on the StatusCheckFailed metric (options C and D). The alarm needs to send notifications via an SNS topic (option E). Option A (CloudWatch Events rule) is not used for metric-based alerts; CloudWatch Events triggers on events or schedules, not metric thresholds. Option B (CloudWatch Logs) is for log data, not metrics.
What should I do if I get this DOP-C02 question wrong?
Review cloudWatch Alarm, then practise related DOP-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
CloudWatch Alarm
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Last reviewed: Jun 20, 2026
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