- A
Use collectd on on-prem servers to send to Cloud Monitoring via the Stackdriver agent configuration.
Why wrong: The legacy Stackdriver agent is deprecated and not recommended for new deployments.
- B
Deploy Prometheus on both environments and use the PromQL adapter for Cloud Monitoring.
Why wrong: While possible, the PromQL adapter is less integrated than the managed Prometheus service.
- C
Use Google's managed service for Prometheus on GKE and a Prometheus federation for on-prem.
The managed service for Prometheus on GKE is fully integrated, and federation from on-prem Prometheus scales well.
- D
Install the Ops Agent on all on-prem servers and use Google's default GKE monitoring.
Why wrong: The Ops Agent is designed for Compute Engine VMs, not for general on-premises use; it also requires network connectivity that may not be stable.
PCDOE Implementing service monitoring strategies Practice Question
This PCDOE practice question tests your understanding of implementing service monitoring strategies. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 has on-premises servers running Linux and GKE clusters. They want to monitor all infrastructure using Cloud Monitoring. Which solution is most scalable and aligned with Google's best practices?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
Use Google's managed service for Prometheus on GKE and a Prometheus federation for on-prem.
Option C is correct because it leverages Google's managed service for Prometheus on GKE, which is fully integrated with Cloud Monitoring and eliminates the operational overhead of self-managing Prometheus. For on-premises servers, Prometheus federation allows scraping metrics from the on-prem Prometheus instance and forwarding them to the managed service, providing a unified, scalable monitoring solution that aligns with Google's best practices for hybrid environments.
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.
- ✗
Use collectd on on-prem servers to send to Cloud Monitoring via the Stackdriver agent configuration.
Why it's wrong here
The legacy Stackdriver agent is deprecated and not recommended for new deployments.
- ✗
Deploy Prometheus on both environments and use the PromQL adapter for Cloud Monitoring.
Why it's wrong here
While possible, the PromQL adapter is less integrated than the managed Prometheus service.
- ✓
Use Google's managed service for Prometheus on GKE and a Prometheus federation for on-prem.
Why this is correct
The managed service for Prometheus on GKE is fully integrated, and federation from on-prem Prometheus scales well.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Install the Ops Agent on all on-prem servers and use Google's default GKE monitoring.
Why it's wrong here
The Ops Agent is designed for Compute Engine VMs, not for general on-premises use; it also requires network connectivity that may not be stable.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that self-managed Prometheus with a custom adapter is the most scalable solution, when in fact Google's managed service eliminates operational overhead and provides native integration with Cloud Monitoring, making it the best practice for hybrid environments.
Detailed technical explanation
How to think about this question
Prometheus federation works by having the on-prem Prometheus server expose a `/federate` endpoint that the managed Prometheus instance in GKE scrapes, allowing selective metric forwarding based on label matchers. Google's managed service for Prometheus uses a sidecar-based architecture with a collector that handles ingestion, storage, and querying, automatically scaling with cluster size and integrating with Cloud Monitoring's alerting and dashboards without requiring manual configuration of exporters or storage backends.
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.
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FAQ
Questions learners often ask
What does this PCDOE question test?
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: Use Google's managed service for Prometheus on GKE and a Prometheus federation for on-prem. — Option C is correct because it leverages Google's managed service for Prometheus on GKE, which is fully integrated with Cloud Monitoring and eliminates the operational overhead of self-managing Prometheus. For on-premises servers, Prometheus federation allows scraping metrics from the on-prem Prometheus instance and forwarding them to the managed service, providing a unified, scalable monitoring solution that aligns with Google's best practices for hybrid environments.
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: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 30, 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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