MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Amazon S3 Glacier (S3 Glacier) is a secure and durable service for low-cost data archiving and long-term backup. With S3 Glacier, you can store your data cost effectively for months, years, or even decades.

Detailed explanation-2: -One Zone-IA, Glacier and Glacier Deep Archive are the most appropriate Amazon S3 storage classes for long-term archival. The Glacier tiers are the best for information that must be retained for years due to tax laws and regulatory guidelines.

Detailed explanation-3: -S3 Standard-IA offers the high durability, high throughput, and low latency of S3 Standard, with a low per GB storage price and per GB retrieval charge. This combination of low cost and high performance make S3 Standard-IA ideal for long-term storage, backups, and as a data store for disaster recovery files.

Detailed explanation-4: -The S3 Glacier storage classes deliver the lowest-cost archive storage for these backups, while also making the data available when needed.

Detailed explanation-5: -The S3 Glacier Instant Retrieval, S3 Glacier Flexible Retrieval, and S3 Glacier Deep Archive storage classes are designed for low-cost data archiving. These storage classes offer the same durability and resiliency as the S3 Standard and S3 Standard-IA storage classes.