AWS Certified CloudOps Engineer Associate SOA-C03 Practice Question
A company runs production workloads on Amazon EC2 and Amazon RDS across two AWS accounts in the same organization. Compliance requires daily snapshots retained for 35 days, with copies stored automatically in a secondary AWS Region. Operations wants a single place to define the schedule and use resource tags instead of listing every ARN. Which solution meets the requirements with the least custom code?
Configure separate Amazon Data Lifecycle Manager policies for EC2 in each account, rely on RDS automated backups, and trigger an AWS Lambda function to copy all snapshots to another Region.
Create an organization-wide AWS Backup plan in one delegated administrator account that schedules daily backups, adds a 35-day retention and cross-Region copy rule, and assigns resources by tag.
Deploy an AWS Step Functions workflow through CloudFormation StackSets that invokes CreateSnapshot and CopySnapshot APIs for EC2 and RDS on a daily EventBridge schedule.
Use AWS Systems Manager Automation documents attached to tag-based resource groups to run cron jobs on managed instances that create and copy snapshots to the secondary Region.
AWS Backup lets you create an organization-wide backup plan that defines a daily schedule, a 35-day retention rule, and a cross-Region copy rule. You can assign resources to the plan dynamically by specifying resource tags, and AWS Backup automatically protects supported services-including EC2 and RDS-across all member accounts that have the service enabled. Because these capabilities are built into AWS Backup, no Lambda functions, Step Functions, or custom scripts are needed.
Data Lifecycle Manager manages only EBS snapshots and AMIs, so it cannot protect RDS and would still require additional mechanisms for cross-Region copies. The workflow and Systems Manager options would work but depend on substantial custom automation and therefore do not satisfy the "least custom code" requirement.
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AWS Certified CloudOps Engineer Associate SOA-C03
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