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ACE Practice Question: A team's application emits a custom business…
This ACE practice question tests your understanding of a team's application emits a custom business…. 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 team's application emits a custom business metric (orders per minute) via its code. They want to display this metric on a Cloud Monitoring dashboard and alert when it drops below 50 orders per minute. What must be done first?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Enable the Custom Metrics feature flag in the GCP Console under Cloud Monitoring settings
There is no 'Custom Metrics feature flag' — custom metrics work out of the box once data is written to the Cloud Monitoring API.
B
Best answer
Instrument the application to write the metric to the Cloud Monitoring API using a client library or OpenTelemetry
The application must emit the custom metric to Cloud Monitoring via the Monitoring API, client library (e.g., google-cloud-monitoring), or OpenTelemetry SDK. Once flowing, it appears in Metrics Explorer.
C
Distractor review
Create a log-based metric that extracts the orders value from application logs
Log-based metrics extract numeric values from log entries — valid if the app logs orders-per-minute, but not required if the app can directly emit metric data to the Monitoring API.
D
Distractor review
Custom metrics require BigQuery — store values in BigQuery and link it to Cloud Monitoring
Cloud Monitoring custom metrics are written directly to the Monitoring API — BigQuery is not required or used as a backend for real-time monitoring metrics.
Common exam trap
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.
Technical deep dive
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.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
What is the correct order of the Google Cloud resource hierarchy from highest to lowest level?
Question 2
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Question 3
Which gcloud command creates a Compute Engine VM named 'web-01' using the e2-medium machine type in zone us-central1-a?
Question 4
A team wants to receive an email alert when the average CPU utilization of VMs in a managed instance group exceeds 80% for more than 5 minutes. What should they create in Cloud Monitoring?
Question 5
A junior developer needs read-only access to all GCP resources in a project. Which IAM role grants the minimum permissions required?
Question 6
A startup creates its first Google Cloud project. Before deploying any paid resources, what must be linked to the project?
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FAQ
Questions learners often ask
What does this ACE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Instrument the application to write the metric to the Cloud Monitoring API using a client library or OpenTelemetry — Custom metrics must be written to Cloud Monitoring via the Monitoring API (or client library, Ops Agent custom metrics, or OpenTelemetry). Once the metric is flowing, it can be used in dashboards and alerting policies like any built-in metric.
What should I do if I get this ACE question wrong?
Identify which ACE 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.
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This ACE 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 ACE exam.