GCP Associate Cloud Engineer Practice Question

Your organization is moving a critical Linux-based application to a Compute Engine VM. Operations wants CPU and memory metrics to appear in Cloud Monitoring dashboards and needs the application's log files to be searchable in Cloud Logging. They prefer to deploy and maintain as few agents on the VM as possible. Which action will best meet these requirements?

Install the Google Cloud Ops Agent on the virtual machine to send both logs and metrics to Cloud Logging and Cloud Monitoring.
Simply enable the Cloud Logging and Cloud Monitoring APIs; the VM will export all logs and metrics without any agent.
Install only the legacy Stackdriver Monitoring agent, which gathers both logs and metrics for Cloud Monitoring.
Install the legacy Stackdriver Logging agent together with the legacy Stackdriver Monitoring agent to capture the required data.

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Answer Description

The Google Cloud Ops Agent is a single agent that collects both system metrics (CPU, memory, disk, network, etc.) for Cloud Monitoring and application and system logs for Cloud Logging. Installing it on the VM satisfies the need for comprehensive observability while keeping operational overhead low because only one agent must be deployed and managed.

Enabling the Cloud Logging and Cloud Monitoring APIs alone is insufficient; without an agent, most guest-level metrics and many application logs are not captured. The legacy Stackdriver Monitoring agent collects metrics only, and the legacy Logging agent collects logs only-using both would require two separate agents, which conflicts with the requirement to minimize agent management. Cloud Trace client libraries capture distributed traces, not general logs or system metrics.

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