Medium1 markMultiple Choice

AWS SAA-C03 · Question 55 · Domain 4.1: Storage Cost Optimization

A company takes daily snapshots of its Amazon EBS volumes. The company has noticed that its AWS bill for EBS snapshots is increasing rapidly. The company only needs to retain snapshots for 30 days. Which TWO actions should a solutions architect take to optimize these costs? (Select TWO.)

Answer options:

A.

Write a Lambda function to compress the snapshots before storing them.

B.

Use Amazon Data Lifecycle Manager (DLM) to automate the creation and deletion of snapshots.

C.

Move the snapshots to S3 Glacier Deep Archive.

D.

Delete snapshots that are older than 30 days.

E.

Change the EBS volume type from gp3 to st1.

How to approach this question

Identify the need to delete old snapshots and the tool to automate it (Data Lifecycle Manager).

Full Answer

EBS snapshots are incremental, but keeping them indefinitely will increase costs. To optimize costs, you should delete snapshots older than the required 30-day retention period. To automate this process going forward, use Amazon Data Lifecycle Manager (DLM) to create a policy that automatically deletes snapshots after 30 days.

Common mistakes

Thinking you can use S3 Lifecycle policies on EBS snapshots. EBS snapshots are stored in an AWS-managed S3 bucket, not your own, so you must use DLM or AWS Backup.

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