The answer is to view the stopped task logs in Amazon CloudWatch Logs, because when new ECS Fargate tasks fail health checks and roll back, the application error that caused the failure is captured in the logs of the stopped task. Since the task has already exited, you cannot exec into it or inspect its runtime state, but CloudWatch Logs retains the output from the container’s standard error and standard out streams, which reveals the root cause—such as a missing environment variable, a failed database connection, or a misconfigured startup script. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your understanding of the ECS task lifecycle and the distinction between service events (which only show deployment status) and task logs (which show application-level errors). A common trap is to assume you can use ECS Exec to debug a failing task, but that requires the task to be running, which it is not after a health check failure. Memory tip: “Stopped tasks still talk—check their logs in CloudWatch.”
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. 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 Amazon ECS with Fargate launch type for a web application. During deployments, the new tasks fail health checks and the deployment rolls back. What should the team do to identify why the new tasks are failing?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
View the stopped task logs in Amazon CloudWatch Logs.
Option D is correct because checking the stopped task logs in CloudWatch Logs reveals application errors. Option A is wrong because the task definition is likely correct if the old tasks work. Option B is wrong because the service event stream shows deployment events, not task logs. Option C is wrong because ECS Exec requires the task to be running.
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.
✓
View the stopped task logs in Amazon CloudWatch Logs.
Why this is correct
Stopped tasks send logs to CloudWatch, revealing failure reasons.
Related concept
Read the scenario before looking for a memorised answer.
✗
Review the task definition for misconfigured environment variables.
Why it's wrong here
The old tasks work, so task definition is not the issue.
✗
Check the ECS service event stream for error messages.
Why it's wrong here
Service events show deployment status, not application errors.
✗
Use ECS Exec to connect to the failing tasks and debug.
Why it's wrong here
ECS Exec requires the task to be in running state.
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.
Trap categories for this question
Command / output trap
Service events show deployment status, not application errors.
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 SAP-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.
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: View the stopped task logs in Amazon CloudWatch Logs. — Option D is correct because checking the stopped task logs in CloudWatch Logs reveals application errors. Option A is wrong because the task definition is likely correct if the old tasks work. Option B is wrong because the service event stream shows deployment events, not task logs. Option C is wrong because ECS Exec requires the task to be running.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-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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