AWS Certified Solutions Architect - Associate
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Ultimate access to all questions.
A company is migrating its Oracle database to Amazon Aurora PostgreSQL, with applications writing to shared tables. Migrations are staggered monthly. How should a solutions architect ensure data synchronization during the transition, considering high read-write volumes?
A
Perform initial migration with AWS DataSync, then set up CDC replication and table mapping in AWS DMS.
B
Execute initial migration with AWS DataSync, followed by full load plus CDC replication and comprehensive table mapping in AWS DMS.
C
Utilize AWS Schema Conversion Tool and AWS DMS with a memory-optimized instance for full load plus CDC replication and table mapping.
D
Employ AWS Schema Conversion Tool and AWS DMS with a compute-optimized instance, focusing CDC replication and table mapping on the largest tables.