Crucial Exams

GCP Professional Cloud Security Engineer Practice Question

Your healthcare analytics platform runs on several Compute Engine VMs in us-central1. Each VM uses a zonal Persistent Disk that was created with Google-managed default encryption. New compliance requirements say you must control the encryption keys so that deleting a key renders its data permanently unreadable. You must migrate to customer-managed encryption keys (CMEK) with no data leaving us-central1 and with at most one reboot per VM. What should you do?

  • Create a Cloud HSM key in us-central1, export every disk to Cloud Storage, import each as an image encrypted with the key, create new disks from the images, and rebuild the VMs from scratch.

  • Create a symmetric Cloud KMS key in a key ring located in us-central1 and grant the Compute Engine service account the CryptoKey Encrypter/Decrypter role. Snapshot each existing disk, create a new disk from the snapshot specifying the CMEK key, attach it to the VM, and reboot once.

  • Enable Confidential VMs on every instance; this automatically converts attached Persistent Disks to CMEK without requiring snapshots or reboots.

  • Create a symmetric Cloud KMS key in location "global", grant the project Roles/Editor to that key, and update each existing Persistent Disk in place with gcloud compute disks update --csek-key-file.

GCP Professional Cloud Security Engineer
Ensuring data protection
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