Answer-first summary for fast verification
Answer: Cloud Monitoring.
The correct answer is **D. Cloud Monitoring**. This tool is essential for: - **Viewing CPU usage metrics** to understand current and historical utilization. - **Correlating usage spikes with version deployments** to identify potential causes of increased load. - **Understanding why the Horizontal Pod Autoscaler (HPA) is scaling** by analyzing metrics that trigger scaling events. For more information, refer to the [Google Cloud Monitoring documentation](https://cloud.google.com/monitoring).
Author: LeetQuiz Editorial Team
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Your team has recently deployed a new version of a service, and you've noticed an unexpected increase in the number of instances within your Kubernetes cluster. The service is configured to scale when the average CPU utilization exceeds 80%.
Which tool would be most effective for investigating this issue?
A
Cloud Profiler.
B
Cloud Trace.
C
Cloud Logging.
D
Cloud Monitoring.
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