4.1 Instrumenting and Collecting Telemetry PROFESSIONAL-CLOUD-DEVOPS-ENGINEER Practice Questions (Page 8)

Questions 36–40

1. 36application · medium

   Your e-commerce application has a critical user workflow: add an item to the cart, proceed to checkout, and complete the purchase. You want to proactively test this workflow to ensure it functions correctly. What should you create?

   • AA log-based metric that counts successful checkout events from the application logs.
   • BA simple synthetic monitor that performs a single HTTP GET request to the homepage.
   • CA synthetic monitor that performs a multi-step HTTP request sequence simulating the checkout flow.
   • DA Cloud Monitoring alert on the application's error rate.
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2. 37application · medium

   Your company runs workloads in Google Cloud and in AWS. You need to collect metrics from both environments and centralize them in Google Cloud Monitoring for unified dashboards. You want to use a standard, vendor-neutral approach. What should you do?

   • AUse Google Cloud Managed Service for Prometheus to scrape metrics from AWS.
   • BDeploy the OpenTelemetry Collector in AWS and configure it to export metrics to Google Cloud Monitoring.
   • CInstall the Ops Agent on AWS EC2 instances to collect metrics and export them to Cloud Monitoring.
   • DUse AWS CloudWatch to export metrics directly to Google Cloud Monitoring.
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4. 38application · medium

   Users report intermittent connectivity issues to a web application hosted on Compute Engine behind an internal TCP load balancer. You suspect the issue is related to network traffic being dropped or rejected. You need to capture detailed information about accepted and rejected connections to diagnose the problem. What should you enable?

   • AEnable Firewall Rules Logging to capture all traffic that is allowed or denied by firewall rules.
   • BEnable Packet Mirroring on the VPC network to capture all packets for analysis.
   • CEnable VPC Flow Logs on the subnetwork where the load balancer and VMs are located, with a sampling rate of 100%.
   • DEnable Cloud NAT logging to capture all outbound and inbound connections.
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5. 39foundation · easy

   What is a key consideration when collecting metrics from a multi-cloud environment?

   • AThe number of employees in the company
   • BThe color of the server racks
   • CThe brand of the server hardware
   • DNetwork connectivity between the environments and Google Cloud
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6. 40foundation · easy

   What is the first step in creating a custom metric using the Cloud Monitoring API?

   • ACreate a dashboard
   • BCreate a MetricDescriptor
   • CSet up an alert
   • DWrite time series data
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