SAA-C03 Q129 · Storage

Question

A company hosts an application on AWS. The application has generated approximately 2.5 TB of data over the previous 12 years. The company currently stores the data on Amazon EBS volumes. The company wants a cost-effective backup solution for long-term storage. The company must be able to retrieve the data within minutes when required for audits. Which solution will meet these requirements?

Accepted Answer

**Answer C: S3 Glacier Flexible Retrieval** meets all requirements:

1. **Cost-effective for long-term storage**: S3 Glacier Flexible Retrieval costs approximately $0.0036/GB/month — dramatically cheaper than EBS volumes (~$0.08-$0.10/GB/month) or S3 Standard (~$0.023/GB/month). For 2.5 TB, this translates to roughly ~$9/month vs ~$200+/month on EBS.

2. **Retrieve within minutes**: S3 Glacier Flexible Retrieval offers **Expedited retrievals** that return data within **1-5 minutes**. This satisfies the 'retrieve within minutes' requirement for audits.

3. **Long-term backup**: Glacier classes are purpose-built for archival/backup use cases. Data is stored with 99.999999999% (11 nines) durability.

The key differentiator is that Glacier Flexible Retrieval supports Expedited retrieval (1-5 m

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📘 Key Concepts

🏗️ Architecture

⚙️ Operations

💰 Cost

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