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Answer: Establish a Cloud Interconnect connection between the on-premises data center and Google Cloud, and then use the Storage Transfer Service.
The correct answer is A. Establishing a Cloud Interconnect connection between the on-premises data center and Google Cloud, and then using the Storage Transfer Service is the recommended approach by Google for large-scale data transfers. Cloud Interconnect provides a dedicated private connection for high bandwidth (up to 100 Gbps) and low latency, facilitating large, fast data transfers. The Storage Transfer Service supports parallel data transfers over Cloud Interconnect, making it possible to transfer petabyte-scale datasets quickly by transferring objects in parallel. Additionally, Storage Transfer Service uses HTTPS encryption in transit and at rest by default, ensuring secure data transfers.
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You are tasked with migrating 1 petabyte (PB) of data from an on-premises data center to Google Cloud within a few hours. It is essential to minimize transfer time while ensuring data security during the migration process. You aim to adhere to Google's best practices for large data transfers over a secure connection. What approach should you take?
A
Establish a Cloud Interconnect connection between the on-premises data center and Google Cloud, and then use the Storage Transfer Service.
B
Use a Transfer Appliance and have engineers manually encrypt, decrypt, and verify the data.
C
Establish a Cloud VPN connection, start gcloud compute scp jobs in parallel, and run checksums to verify the data.
D
Reduce the data into 3 TB batches, transfer the data using gsutil, and run checksums to verify the data.