An application uses Amazon S3 to store millions of images. The access pattern is highly unpredictable; some images are accessed daily, while others are not accessed for months. The company wants to optimize storage costs without incurring retrieval fees or operational overhead. Which S3 storage class is MOST appropriate?

Answer options:

S3 Standard

S3 Standard-Infrequent Access (S3 Standard-IA)

S3 Intelligent-Tiering

S3 Glacier Instant Retrieval

How to approach this question

Match 'unpredictable access' and 'no retrieval fees' to the storage class.

Full Answer

C.S3 Intelligent-Tiering✓ Correct

S3 Intelligent-Tiering is designed for data with unknown or changing access patterns. It automatically moves objects to the most cost-effective access tier without performance impact or retrieval fees.

Common mistakes

Choosing Standard-IA, which charges per-GB retrieval fees.

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