Suggested Answer:BD🗳️
By default, and at no additional charge, Amazon RDS enables automated backups of your DB Instance with a 1-day retention period. By default, Amazon Redshift enables automated backups of your data warehouse cluster with a 1-day retention period.
Actually, RDS, EBS, and Redshift currently support automatic backups. But it was only added to EBS via Data Lifecycle Manager is July 2018 - perhaps this question predates that. https://aws.amazon.com/about-aws/whats-new/2018/07/introducing-amazon-data-lifecycle-manager-for-ebs-snapshots/
B. Amazon RDS C. Amazon EBS
Amazon RDS and Amazon EBS provide out-of-the-box user configurable automatic backup-as-a-service and backup rotation options.
Amazon RDS offers automated backups with point-in-time recovery, allowing you to restore your database to any specific point in time during the backup retention period. You can configure the backup window and retention period.
Amazon EBS provides the ability to create point-in-time snapshots of your EBS volumes, which serve as backups. You can schedule automated snapshots using Amazon Data Lifecycle Manager and configure retention policies for the snapshots.
Amazon S3 offers versioning and cross-region replication capabilities, but does not provide automatic backup rotation out-of-the-box. Amazon Redshift does not offer automatic backup rotation either, but you can manually create snapshots and configure retention periods.
Definitely B, Not A or C therefore D Ans: B+D for me.
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