Answer: S3 One Zone-Infrequent Access (S3 One Zone-IA)

## Explanation **S3 One Zone-Infrequent Access (S3 One Zone-IA)** is the most cost-effective storage class for this scenario because: - **Rarely accessed data**: The company states they will rarely access the data, which aligns perfectly with infrequent access storage classes - **Recreatable data**: Since the data can be recreated if necessary, the reduced durability of S3 One Zone-IA (data stored in only one Availability Zone) is acceptable - **Cost optimization**: S3 One Zone-IA is cheaper than S3 Standard-IA because it stores data in only one Availability Zone rather than three - **Storage class comparison**: - **S3 Express One Zone**: Designed for high-performance, low-latency access - too expensive for rarely accessed data - **S3 Standard**: Designed for frequently accessed data - not cost-effective for rarely accessed data - **S3 Standard-IA**: Stores data across multiple Availability Zones - more expensive than S3 One Zone-IA and unnecessary for recreatable data When data is rarely accessed and can be recreated, S3 One Zone-IA provides the best balance of cost savings while still maintaining adequate durability for the use case.

Author: Ritesh Yadav