Explanation:
The correct answer is D. Setting up an Aurora global database and specifying at least one DB instance in the secondary Region is the most cost-effective and efficient solution for disaster recovery. Aurora global databases are designed for low-latency global reads and quick disaster recovery of your database. By having a DB instance in the secondary Region, failover can be achieved more seamlessly, making it highly suitable for high-volume SaaS platforms.
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As a solutions architect, create a cost-effective DR plan for a SaaS platform using Amazon Aurora MySQL. The plan should include data replication to a secondary AWS Region.
A
Implement MySQL binary log replication to a secondary Aurora cluster.
B
Configure an Aurora global database, then remove the secondary Region DB instance.
C
Utilize AWS DMS for continuous data replication, then remove the secondary Region DB instance.
D
Establish an Aurora global database with at least one DB instance in the secondary Region.