You are running a web application deployed to a Compute Engine managed instance group. Ops Agent is installed on all instances. You recently noticed suspicious activity from a specific IP address…

Question

Options

• AConfigure the Ops Agent with a logging receiver. Create a logs-based metric.
• BCreate a script to scrape the web server log. Export the IP address request metrics to the Cloud
• CUpdate the application to export the IP address request metrics to the Cloud Monitoring API.
• DConfigure the Ops Agent with a metrics receiver.

• A
  76% (22)
• B
  3% (1)
• C
  7% (2)
• D
  14% (4)

Explanation

The Ops Agent can be configured with a logging receiver to collect web server logs (e.g., nginx/Apache access logs) from Compute Engine instances. Once logs are flowing into Cloud Logging, you create a logs-based metric filtered by the specific IP address to count its requests. This metric then appears in Cloud Monitoring for dashboards and alerts. This approach requires minimal operational overhead - no custom scripts, no application code changes, and no custom metrics receiver configuration. Options B and C require significant custom development.

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