Google
PROFESSIONAL-CLOUD-NETWORK-ENGINEER · Question #106
You recently noticed a recurring daily spike in network usage in your Google Cloud project. You need to identify the virtual machine (VM) instances and type of traffic causing the spike in traffic…
The correct answer is A. Enable VPC Flow Logs and send the output to BigQuery for analysis. https://cloud.google.com/blog/products/networking/how-to-use-vpc-flow-logs-in-gcp-for-network- traffic-analysis
Submitted by obi.ng· Apr 18, 2026Configuring network services
Question
You recently noticed a recurring daily spike in network usage in your Google Cloud project. You need to identify the virtual machine (VM) instances and type of traffic causing the spike in traffic utilization while minimizing the cost and management overhead required. What should you do?
Options
- AEnable VPC Flow Logs and send the output to BigQuery for analysis.
- BEnable Firewall Rules Logging for all allowed traffic and send the output to BigQuery for analysis.
- CConfigure Packet Mirroring to send all traffic to a VM. Use Wireshark on the VM to identity traffic
- DDeploy a third-party network appliance and configure it as the default gateway. Use the third-party
How the community answered
(21 responses)- A81% (17)
- B5% (1)
- C10% (2)
- D5% (1)
Explanation
https://cloud.google.com/blog/products/networking/how-to-use-vpc-flow-logs-in-gcp-for-network- traffic-analysis
Topics
#VPC Flow Logs#Network Monitoring#Traffic Analysis#Cost Optimization
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