Which two AWS services provide out-of-the-box user configurable automatic backup-as-a-service and backup rotation
options? (Choose two.)

A.
Amazon S3

B.
Amazon RDS

C.
Amazon EBS

D.
Amazon Red shift

Explanation:
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.