Câu 47: AWS Certified Database - Specialty

A financial company has allocated an Amazon RDS MariaDB DB instance with large storage capacity to accommodate migration efforts. Post-migration, the company purged unwanted data from the instance. The company now want to downsize storage to save money. The solution must have the least impact on production and near-zero downtime. Which solution would meet these requirements?

1. A. Create a snapshot of the old databases and restore the snapshot with the required storage
2. B. Create a new RDS DB instance with the required storage and move the databases from the old instances to the new instance using AWS DMS — đáp án hiện tại
3. C. Create a new database using native backup and restore
4. D. Create a new read replica and make it the primary by terminating the existing primary