Crucial Exams

GCP Professional Cloud Security Engineer Practice Question

A security engineer needs to feed Compute Engine VM traffic into Cloud IDS for threat detection. The VMs run in the prod-vpc network in europe-west1. To centralize inspection, the engineer created a Packet Mirroring policy that lists the VMs as sources and chooses an existing Cloud IDS endpoint deployed in us-central1 as the collector. No mirrored packets arrive at Cloud IDS and no firewall drops are observed. What change will allow the mirrored traffic to be delivered?

  • Replace the Cloud IDS collector with an internal TCP/UDP load balancer, because Cloud IDS endpoints cannot be used as Packet Mirroring collectors.

  • Create or select a Cloud IDS endpoint in europe-west1 and update the Packet Mirroring policy so the collector is in the same region as the mirrored VMs.

  • Enable VPC Flow Logs on prod-vpc, because Packet Mirroring forwards only traffic from subnets that have flow logs turned on.

  • Assign only internal IP addresses to the VMs; Packet Mirroring ignores interfaces that also have external IPs.

GCP Professional Cloud Security Engineer
Managing operations
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