PROFESSIONAL-CLOUD-ARCHITECT · Question #304
Case Study: 11 - TerramEarth Company overview TerramEarth manufactures heavy equipment for the mining and agricultural industries. They currently have over 500 dealers and service centers in 100…
The correct answer is A. Request Transfer Appliances from Google Cloud, export the data to appliances, and return the. This question tests knowledge of selecting the appropriate Google Cloud data transfer method for migrating large volumes of data when network bandwidth is a limiting factor.
Question
Options
- ARequest Transfer Appliances from Google Cloud, export the data to appliances, and return the
- BConfigure the Storage Transfer service from Google Cloud to send the data from your data center
- CMake sure there are no other users consuming the 1Gbps link, and use multi-thread transfer to
- DExport files to an encrypted USB device, send the device to Google Cloud, and request an import
How the community answered
(49 responses)- A92% (45)
- B2% (1)
- C2% (1)
- D4% (2)
Why each option
This question tests knowledge of selecting the appropriate Google Cloud data transfer method for migrating large volumes of data when network bandwidth is a limiting factor.
Google Transfer Appliances are physical storage devices shipped to the customer, loaded with data on-premises, and returned to Google for ingestion into Cloud Storage. For very large datasets where uploading over a 1 Gbps link would take months, Transfer Appliances provide the fastest and most cost-effective migration path, which is exactly the bottleneck described in TerramEarth's scenario.
Storage Transfer Service is designed for online transfers from HTTP/S sources, AWS S3, or other Cloud Storage buckets over the network; it does not circumvent limited bandwidth and would be too slow for petabyte-scale on-premises data.
Maximizing a 1 Gbps link with multi-threaded transfers still cannot overcome the fundamental bandwidth ceiling; transferring hundreds of terabytes at 1 Gbps takes days to weeks and is unreliable for a one-time migration at this scale.
Encrypted USB devices lack the capacity and Google import tooling of the purpose-built Transfer Appliance program; Google does not offer a supported USB import workflow, making this option technically invalid.
Concept tested: Google Transfer Appliance for large-scale offline data migration
Source: https://cloud.google.com/transfer-appliance/docs/4.0/overview
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