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You are tasked with transferring 1 PB of data from an on-premises data center to Google Cloud within a few hours, adhering to Google-recommended practices for a secure connection. What is the most efficient and secure method to achieve this?
A
Use a Transfer Appliance and have engineers manually encrypt, decrypt, and verify the data.
B
Establish a Cloud VPN connection, start gcloud compute scp jobs in parallel, and run checksums to verify the data.
C
Reduce the data into 3 TB batches, transfer the data using gsutil, and run checksums to verify the data.
D
Establish a Cloud Interconnect connection between the on-premises data center and Google Cloud, and then use the Storage Transfer Service.
