A company stores daily aggregated inputs and model predictions as a single S3 object (100 GB per day) to monitor model drift. The daily object size will grow over time. Every quarter the company samples the prior 90 days to check for drift, and after 90 days the data must be retained for compliance. They want to minimize storage costs while preserving the same durability. Which S3 storage-class and lifecycle combination meets these requirements?

The correct answer minimizes storage costs while meeting durability and access requirements. S3 Standard-Infrequent Access (Standard-IA) is suitable for data accessed less frequently but requiring rapid access when needed, like the quarterly sampling. It offers high durability across multiple Availability Zones. After 90 days, when data is only retained for compliance and rarely accessed, moving it to S3 Glacier Deep Archive is the most cost-effective solution for long-term archival, offering the lowest storage price. S3 One Zone-Infrequent Access (One Zone-IA) is cheaper than Standard-IA but stores data in a single Availability Zone, making it less durable and not meeting the "same durability" requirement as Standard-IA. S3 Glacier Flexible Retrieval (formerly S3 Glacier) is more expensive than Glacier Deep Archive for long-term, infrequent access, making it a less cost-effective choice for compliance data.