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GCP Professional Cloud Architect Practice Question

A biomedical company has 1 PB of genomic data on an on-prem NFS appliance. It must move the data into a regional Cloud Storage bucket within eight weeks. The only link to Google Cloud is a shared 1-Gbps Internet circuit that cannot be saturated. After the bulk copy, about 3 TB of new sequencing data is produced daily and must be transferred automatically to Cloud Storage. Which migration approach meets the deadline while minimizing WAN congestion?

  • Order Transfer Appliance devices for the initial 1 PB copy, then configure on-premises Storage Transfer Service agents to run recurring incremental transfers of new data over the existing link.

  • Use Storage Transfer Service alone to copy the full 1 PB over the 1-Gbps Internet link with bandwidth scheduling, and let the same job run daily for new files.

  • Mount the NFS share on a Compute Engine VM with Cloud Storage FUSE, copy the 1 PB dataset, and schedule a cron-based rsync for ongoing 3 TB daily transfers.

  • Provision a 10-Gbps Dedicated Interconnect and run gsutil -m cp to copy both the 1 PB archive and the 3 TB daily increments directly to Cloud Storage.

GCP Professional Cloud Architect
Managing and provisioning a solution infrastructure
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