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QuestionQ55

Managing implementation

You are configuring a new regional environment for your business requirements. You intend to migrate more than 2 TB of data from the us-central1 region to the asia-southeast1 region. The transfer must take place as quickly as possible. If it is interrupted, the operation must continue from where it stopped and copy only new or changed objects. What should you do?

  • A Use the gcloud storage cp command to copy the objects. Be careful to manage potential naming conflicts to ensure data integrity.
  • B Utilize Storage Transfer Service (STS) to migrate objects to the destination bucket in the target region. Once the transfer is complete, delete the original source bucket objects.
  • C Use the gcloud storage rsync --recursive command to replicate the source bucket to a new target bucket in the us-west1 region.
  • D Leverage Cloud Composer to orchestrate a data pipeline that copies objects from the source bucket to the destination bucket.
Explanation

Storage Transfer Service is designed for large Cloud Storage bucket migrations and provides managed performance, reliability, and retry handling. It can resume a paused transfer operation from the point at which it was paused, and its transfers are incremental by default, so later runs transfer only objects that changed after the initial transfer.

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