A company stores millions of images in Amazon S3. They do not know the access patterns of the images; some are accessed daily, while others are not accessed for months. They want to minimize storage costs without incurring retrieval fees or operational overhead. Which S3 storage class should they use?

Answer options:

S3 Standard

S3 Standard-Infrequent Access (Standard-IA)

S3 Intelligent-Tiering

S3 One Zone-IA

How to approach this question

Look for 'unknown access patterns' and 'no retrieval fees'. This is the exact use case for S3 Intelligent-Tiering.

Full Answer

C.S3 Intelligent-Tiering✓ Correct

Amazon S3 Intelligent-Tiering is the only cloud storage class that delivers automatic cost savings by moving objects between four access tiers when access patterns change, without performance impact or retrieval fees.

Common mistakes

Choosing Standard-IA, forgetting that it incurs a per-GB retrieval fee.

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