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Question 227 - Professional Cloud Architect discussion

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Your company wants to migrate their 10-TB on-premises database export into Cloud Storage You want to minimize the time it takes to complete this activity, the overall cost and database load The bandwidth between the on-premises environment and Google Cloud is 1 Gbps You want to follow Google-recommended practices What should you do?

A.
Use the Data Transfer appliance to perform an offline migration
Answers
A.
Use the Data Transfer appliance to perform an offline migration
B.
Use a commercial partner ETL solution to extract the data from the on-premises database and upload it into Cloud Storage
Answers
B.
Use a commercial partner ETL solution to extract the data from the on-premises database and upload it into Cloud Storage
C.
Develop a Dataflow job to read data directly from the database and write it into Cloud Storage
Answers
C.
Develop a Dataflow job to read data directly from the database and write it into Cloud Storage
D.
Compress the data and upload it with gsutii -m to enable multi-threaded copy
Answers
D.
Compress the data and upload it with gsutii -m to enable multi-threaded copy
Suggested answer: A

Explanation:

The Data Transfer appliance is a Google-provided hardware device that can be used to transfer large amounts of data from on-premises environments to Cloud Storage. It is suitable for scenarios where the bandwidth between the on-premises environment and Google Cloud is low or insufficient, and the data size is large. The Data Transfer appliance can minimize the time it takes to complete the migration, the overall cost and database load, by avoiding network bottlenecks and reducing bandwidth consumption. The Data Transfer appliance also encrypts the data at rest and in transit, ensuring data security and privacy. The other options are not optimal for this scenario, because they either require a high-bandwidth network connection (B, C, D), or incur additional costs and complexity (B, C).

Reference:

https://cloud.google.com/data-transfer-appliance/docs/overview

https://cloud.google.com/blog/products/storage-data-transfer/introducing-storage-transfer-service-for-on-premises-data

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asked 18/09/2024
William Macy
55 questions
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