PCDOE Implementing service monitoring strategies Practice Question
This PCDOE practice question tests your understanding of implementing service monitoring strategies. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
Your organization is migrating a monolithic application to microservices on Cloud Run. You need to monitor the health of each microservice and aggregate logs and metrics in a central dashboard. You have set up Cloud Monitoring custom dashboards and logs-based metrics. After the initial deployment, you notice that the dashboards show data only for some services, while others appear to have no metrics. You verify that all services are running and emitting logs. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The services are not exporting metrics to Cloud Monitoring via the Monitoring API.
Why wrong: Cloud Run automatically exports metrics; no explicit export needed.
B
The logs-based metrics are not configured to parse logs from all services.
Why wrong: If services emit logs, logs-based metrics would capture them unless filters are misconfigured, but it's less likely for all missing services.
C
The services are running in different GCP projects and you are viewing only one project.
Dashboards in Cloud Monitoring are project-scoped unless configured with a metrics scope.
D
The Cloud Monitoring agent is not installed on the Cloud Run instances.
Why wrong: Cloud Run does not require an agent; metrics are built-in.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The services are running in different GCP projects and you are viewing only one project.
Option C is correct because Cloud Monitoring dashboards and logs-based metrics are scoped to a single GCP project. If microservices are deployed across multiple projects, metrics from services in other projects will not appear unless the dashboard is configured to aggregate data from all relevant projects. Since the question states that some services have no metrics while all are running and emitting logs, the most likely cause is that those services reside in different projects.
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.
✗
The services are not exporting metrics to Cloud Monitoring via the Monitoring API.
Why it's wrong here
Cloud Run automatically exports metrics; no explicit export needed.
✗
The logs-based metrics are not configured to parse logs from all services.
Why it's wrong here
If services emit logs, logs-based metrics would capture them unless filters are misconfigured, but it's less likely for all missing services.
✓
The services are running in different GCP projects and you are viewing only one project.
Why this is correct
Dashboards in Cloud Monitoring are project-scoped unless configured with a metrics scope.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The Cloud Monitoring agent is not installed on the Cloud Run instances.
Why it's wrong here
Cloud Run does not require an agent; metrics are built-in.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that all GCP services automatically share monitoring data across projects, when in fact Cloud Monitoring is inherently project-scoped and requires explicit cross-project configuration via metrics scopes.
Detailed technical explanation
How to think about this question
Cloud Monitoring uses a resource hierarchy where metrics and logs are project-scoped by default. To view data from multiple projects in a single dashboard, you must use a metrics scope (formerly 'Stackdriver accounts') to link source projects to a scoping project. Logs-based metrics are also project-specific; they count log entries only within the project where the metric is defined. In a multi-project microservice deployment, failing to add all projects to the metrics scope results in missing data on the dashboard.
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.
Implementing service monitoring strategies — This question tests Implementing service monitoring strategies — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The services are running in different GCP projects and you are viewing only one project. — Option C is correct because Cloud Monitoring dashboards and logs-based metrics are scoped to a single GCP project. If microservices are deployed across multiple projects, metrics from services in other projects will not appear unless the dashboard is configured to aggregate data from all relevant projects. Since the question states that some services have no metrics while all are running and emitting logs, the most likely cause is that those services reside in different projects.
What should I do if I get this PCDOE 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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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