Explanation:
Correct Answer: D - Establishing a Cloud Interconnect connection between the on-premises data center and Google Cloud, followed by using the Storage Transfer Service, is the most efficient and secure method. Cloud Interconnect provides a dedicated, high-throughput, low-latency connection, ensuring secure and efficient data transfer. The Storage Transfer Service automates and simplifies the process, making it ideal for transferring large amounts of data quickly.
Why the other options are incorrect:
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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.