- A
Review the deployment history of the checkout service alongside Cloud Monitoring metrics and logs to identify the exact time and nature of the change.
This correlates the deployment with the incident symptoms, providing evidence for the best course of action.
- B
Check the Error Reporting dashboard to view aggregated error logs and stack traces for the checkout service.
Why wrong: While Error Reporting is useful, it may not provide the context of the deployment change; correlating with metrics is faster.
- C
Immediately roll back the checkout service to the previous version and monitor if errors decrease.
Why wrong: Rollback should be based on evidence; doing so blindly may cause additional issues or miss the real cause.
- D
Declare the incident, assign roles, and start a postmortem document.
Why wrong: Declaring and assigning are important, but the immediate next step is to gather data; postmortem is for after resolution.
PCDOE Incident commander Practice Question
This PCDOE practice question tests your understanding of managing service incidents. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: incident commander. 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.
Your company runs a microservices application on Google Kubernetes Engine (GKE) with shared Istio service mesh across multiple namespaces. You use Cloud Monitoring and Cloud Logging for observability. At 10:30 AM, you receive an alert that the checkout service is returning high 5xx errors (over 20%) and latency is above 5 seconds. The incident response team is assembled, and you are the incident commander. The team suspects a recent deployment (v2.1) to the checkout service at 10:00 AM. The deployment was a minor configuration update. The team is divided: some want to immediately roll back, others want to analyze traces. You have access to the GCP console. What should you do first to ensure a swift and effective incident response?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Clue:
"immediately / without restart"Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
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
Review the deployment history of the checkout service alongside Cloud Monitoring metrics and logs to identify the exact time and nature of the change.
Option A is correct because reviewing the deployment history alongside Cloud Monitoring metrics and Cloud Logging logs directly correlates the onset of errors and latency with the v2.1 deployment at 10:00 AM. This evidence-based approach confirms the deployment as the likely root cause before taking any action, preventing unnecessary rollback (Option C) or premature escalation (Option D). Option B, while helpful for error details, does not provide the temporal correlation with the deployment change. Therefore, option A enables a swift and effective incident response by grounding decisions in observed data.
Key principle: Incident commander
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Review the deployment history of the checkout service alongside Cloud Monitoring metrics and logs to identify the exact time and nature of the change.
Why this is correct
This correlates the deployment with the incident symptoms, providing evidence for the best course of action.
Clue confirmation
The clue words "first", "immediately / without restart" in the question point toward this answer.
Related concept
Incident commander
- ✗
Check the Error Reporting dashboard to view aggregated error logs and stack traces for the checkout service.
Why it's wrong here
While Error Reporting is useful, it may not provide the context of the deployment change; correlating with metrics is faster.
- ✗
Immediately roll back the checkout service to the previous version and monitor if errors decrease.
Why it's wrong here
Rollback should be based on evidence; doing so blindly may cause additional issues or miss the real cause.
- ✗
Declare the incident, assign roles, and start a postmortem document.
Why it's wrong here
Declaring and assigning are important, but the immediate next step is to gather data; postmortem is for after resolution.
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
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
- Incident commander
- Correlation of changes and metrics
- Observability tools
- Evidence-based incident response
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
Incident commander
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review incident commander, then practise related PCDOE questions on the same topic to reinforce the concept.
- →
Managing service incidents — study guide chapter
Learn the concepts, then practise the questions
- →
Managing service incidents practice questions
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FAQ
Questions learners often ask
What does this PCDOE question test?
Managing service incidents — This question tests Managing service incidents — Incident commander.
What is the correct answer to this question?
The correct answer is: Review the deployment history of the checkout service alongside Cloud Monitoring metrics and logs to identify the exact time and nature of the change. — Option A is correct because reviewing the deployment history alongside Cloud Monitoring metrics and Cloud Logging logs directly correlates the onset of errors and latency with the v2.1 deployment at 10:00 AM. This evidence-based approach confirms the deployment as the likely root cause before taking any action, preventing unnecessary rollback (Option C) or premature escalation (Option D). Option B, while helpful for error details, does not provide the temporal correlation with the deployment change. Therefore, option A enables a swift and effective incident response by grounding decisions in observed data.
What should I do if I get this PCDOE question wrong?
Review incident commander, then practise related PCDOE questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "first", "immediately / without restart". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Incident commander
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Last reviewed: Jun 24, 2026
This PCDOE practice question is part of Courseiva's free Google Cloud 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 PCDOE exam.
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