Topic 1 Question 196

Professional Data Engineer

Topic 1 Question 196
You have 15 TB of data in your on-premises data center that you want to transfer to Google Cloud. Your data changes weekly and is stored in a POSIX-compliant source. The network operations team has granted you 500 Mbps bandwidth to the public internet. You want to follow Google-recommended practices to reliably transfer your data to Google Cloud on a weekly basis. What should you do?
- Use Cloud Scheduler to trigger the gsutil command. Use the -m parameter for optimal parallelism.
- Use Transfer Appliance to migrate your data into a Google Kubernetes Engine cluster, and then configure a weekly transfer job.
- Install Storage Transfer Service for on-premises data in your data center, and then configure a weekly transfer job.
- Install Storage Transfer Service for on-premises data on a Google Cloud virtual machine, and then configure a weekly transfer job.
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コメント(11)
- can you help with difference between c and d ?
  
  👍 3
  MounicaN2022/09/10
- 正解だと思う選択肢: C
  The fact that it's about a POSIX source makes necessary the set up of Storage Transfer Service agents. This detail limits [C] to be the correct answer, since it's the data center hosting the files where the agent must be installed.
  
  Some excerpts: (an older version of documentation was definite) "The following is a high-level overview of how Transfer service for on-premises data works: 1.Install Docker and run a small piece of software, called an agent, in your private data center. " Source: https://web.archive.org/web/20210529161414/https://cloud.google.com/storage-transfer/docs/on-prem-overview
  
  "Storage Transfer Service agents are applications running inside a Docker container, that coordinate with Storage Transfer Service to read data from POSIX file system sources, and/or write data to POSIX file system sinks. If your transfer does not involve a POSIX file system, you do not need to set up agents." Source: https://cloud.google.com/storage-transfer/docs/managing-on-prem-agents
  
  👍 3
  NicolasN2022/11/24
- 正解だと思う選択肢: C
  C is the answer.
  
  https://cloud.google.com/architecture/migration-to-google-cloud-transferring-your-large-datasets#storage-transfer-service-for-large-transfers-of-on-premises-data Like gsutil, Storage Transfer Service for on-premises data enables transfers from network file system (NFS) storage to Cloud Storage. Although gsutil can support small transfer sizes (up to 1 TB), Storage Transfer Service for on-premises data is designed for large-scale transfers (up to petabytes of data, billions of files).
  
  👍 3
  zellck2022/11/28
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The fact that it's about a POSIX source makes necessary the set up of Storage Transfer Service agents. This detail limits [C] to be the correct answer, since it's the data center hosting the files where the agent must be installed.