Cloud Technology and Services A free question from our original CLF-C02 practice exam. Try it, then open the answer to see why each option is right or wrong.
A company wants one place to define backup plans that run on a schedule for its Amazon EBS volumes, Amazon RDS databases, Amazon DynamoDB tables and Amazon EFS file systems, and to keep each backup for a set retention period.
Which service should it use?
Choose one answer.
AA. AWS Backup, which runs scheduled backup plans across many resource types
BB. AWS Storage Gateway, which connects on-premises applications to cloud storage
CC. AWS DataSync, which copies files between storage locations
DD. Amazon S3 Lifecycle, which moves and expires objects in S3 buckets
B. Wrong: Storage Gateway provides hybrid storage access for on-premises applications. It is not a policy-based backup service for these AWS resources.
C. Wrong: DataSync moves data between storage systems, such as on-premises and AWS. It does not apply backup plans with retention periods across these resource types.
D. Wrong: S3 Lifecycle manages objects inside S3 buckets only. It cannot back up EBS volumes, RDS databases, DynamoDB tables or EFS file systems.
Explanation
AWS Backup is the central service for scheduled, policy-based backups across many AWS resource types, with retention you set. Storage Gateway, DataSync and S3 Lifecycle each cover a different job, such as hybrid access, data transfer or object management in S3.
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