A company based in North America wishes to expand its operation to the European regions. They wish to perform some performance testing and UAT on the production like data of their DynamoDB-based backend system in the European regions. What is the optimal solution for achieving data migration to enable the team to perform their testing tasks?

Answer options:

A.Perform Point-in-Time Recovery of their current DynamoDB table into the new region.
B.Enable DynamoDB Streams on the current DynamoDB table. Create a new DynamoDB table in the new region. Create a Lambda function to poll the current DynamoDB table stream and deliver batch records from streams to the new DynamoDB table.
C.Create a new DynamoDB table in the new region. Create an AWS Glue job to perform a data export from the current DynamoDB table and data import into the new DynamoDB table.
D.Enable DynamoDB Streams. Add a European region to the current DynamoDB table Global Tables setting.

Answer: A
Option A is CORRECT because DynamoDB Point-in-Time Restore enables recovery of a DynamoDB table across AWS regions. Further, it enables a full table to restore, as well restore of GSI’s and LSI’s.Restoring a DynamoDB table using Point-in-Time restore consumes no provisioned throughput.Data transfer charges between the regions are the only costs associated with this solution.
Option B is incorrect because this is not the optimal solution.It requires custom code associated with the Lambda function. Further, there are additional costs associated with DynamoDB streams and Lambda function executions.
Option C is incorrect because this is not the optimal solution.It requires custom code associated with the AWS Glue job.Further, there are additional costs associated with the execution of the Glue job.
Option D is incorrect because this would enable a cross-region global table. Thus, all the testing would be performed on the production table and data. This is not the original requirement.
Reference:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/PointInTimeRecovery_Howitworks.html
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/PointInTimeRecovery.Tutorial.html