SAA-C03 Q212 · Storage

Question

A company is storing data that will not be frequently accessed in the AWS Cloud. If the company needs to access the data, the data must be retrieved within 12 hours. The company wants a solution that is cost- effective for storage costs per gigabyte. Which Amazon S3 storage class will meet these requirements?

Accepted Answer

**S3 Glacier Flexible Retrieval** is the correct answer because it satisfies all three requirements:

1. **Infrequently accessed data**: Glacier Flexible Retrieval is purpose-built for archival data that is rarely accessed — typically once or twice per year.

2. **12-hour retrieval window**: Glacier Flexible Retrieval offers three retrieval options:
   - **Expedited**: 1–5 minutes
   - **Standard**: 3–5 hours
   - **Bulk**: 5–12 hours
   All three options fit within the 12-hour requirement. Even the cheapest Bulk retrieval completes within 12 hours.

3. **Lowest storage cost per GB**: This is the decisive factor. Among all the options listed, Glacier Flexible Retrieval has the **lowest storage price per GB** (approximately $0.0036/GB/month in US East), which is dramatically cheaper than S3

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