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Domain 4.1: Storage Cost OptimizationEBSSnapshotsDLMCost Optimization

AWS SAA-C03 · Question 56 · Domain 4.1: Storage Cost Optimization

A company takes daily snapshots of its Amazon EBS volumes. The company has noticed that its EBS snapshot costs are growing rapidly. They need to retain daily snapshots for 30 days, and monthly snapshots for 1 year.<br/><br/>Which TWO actions should a solutions architect take to automate and optimize this process? (Select TWO.)

Answer options:

A.

Write a custom AWS Lambda function triggered by EventBridge to manage snapshots.

B.

Use Amazon Data Lifecycle Manager (DLM) to automate snapshot creation and deletion.

C.

Configure DLM to retain daily snapshots for 30 days and monthly snapshots for 12 months.

D.

Use AWS Backup to move snapshots to S3 Glacier after 30 days.

E.

Manually delete snapshots older than 30 days using the AWS CLI.

How to approach this question

Identify the native AWS service for managing EBS snapshot lifecycles.

Full Answer

Use Amazon Data Lifecycle Manager (DLM) to automate snapshot creation and deletion.<br/>Configure DLM to retain daily snapshots for 30 days and monthly snapshots for 12 months.
Amazon Data Lifecycle Manager (Amazon DLM) provides a simple, automated way to back up data stored on Amazon EBS volumes. You can define backup and retention schedules for EBS snapshots by creating lifecycle policies based on tags.

Common mistakes

Thinking you need to write custom Lambda scripts to delete old snapshots.
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