easyMultiple ChoiceObjective-mapped
Google ACE Practice Question: A team's GCP project is approaching its monthly…
A team's GCP project is approaching its monthly budget. They want to receive an email alert when spending reaches 80% and 100% of the $500 monthly budget. Which GCP feature sends these budget alerts?
⚠ Common exam trap
Google Cloud often tests the distinction between native GCP services (Cloud Billing budgets) and workarounds (Cloud Scheduler + Billing API) to see if candidates recognize the built-in, no-code solution for budget alerts.
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
✓
Cloud Billing budget with alert thresholds set at 80% and 100%
Cloud Billing budgets are the native GCP feature designed to monitor spending against a budget and send email alerts when actual or forecasted costs exceed user-defined thresholds (e.g., 80% and 100% of $500). This feature is configured directly in the Cloud Console or via the Billing API and automatically triggers notifications without requiring custom code or additional services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud Monitoring alerting policy on the billing/cost metric
Why it's wrong here
Cloud Monitoring does not have a native billing/cost metric that can be used in an alerting policy. While Cloud Billing can export cost data to BigQuery, and you could create a monitoring alert based on a custom metric derived from that export, that requires additional configuration and introduces latency. The intended native mechanism for cost threshold alerts is the Cloud Billing budget alert, not a Cloud Monitoring policy.
- ✗
A Cloud Scheduler job that queries the Billing API and sends an email when cost exceeds thresholds
Why it's wrong here
A Cloud Scheduler job that queries the Billing API and sends an email is a custom workaround that duplicates functionality already built into Cloud Billing. Budget alerts natively support multiple thresholds and automatically trigger notifications without requiring you to manage cron schedules, API pagination, or email delivery logic. This approach is unnecessarily complex, introduces a single point of failure in the scheduler, and requires ongoing maintenance, making it inferior to using a Cloud Billing budget.
- ✓
Cloud Billing budget with alert thresholds set at 80% and 100%
Why this is correct
Cloud Billing budgets natively support multiple alert thresholds, so you can set percentage thresholds at 80% and 100% of your budget amount. When actual spending crosses each threshold, Cloud Billing automatically sends email notifications to the configured recipients, and can also publish to Pub/Sub for programmatic handling. This is the simplest and most reliable method because it requires no custom code, no external services, and no additional monitoring setup.
- ✗
Cloud Logging alert on billing cost log entries
Why it's wrong here
Cloud Logging does not natively ingest billing spend records as log entries that you can alert on. Cost data is not automatically written to Cloud Logging unless you configure a custom export, and even then you would need a log-based metric and an alert to interpret it. Cloud Billing budgets are the native, low-latency service for spend notifications, so relying on Logging is an inaccurate and indirect approach.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.