Which of the following describes some of the core functionality of Amazon S3?

Which of the following describes some of the core functionality of Amazon S3?
A . Amazon S3 is a high-performance block storage service that is designed for use with Amazon EC2
B. Amazon S3 is an object storage service that provides high-level performance, security, scalability, and data availability.
C. Amazon S3 is a fully managed, highly reliable, and scalable file storage system that is accessible over the industry-standard SMB protocol.
D. Amazon S3 is a scalable, fully managed elastic NFS for use with AWS Cloud services and on-premises resources.

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Answer: B

Explanation:

Amazon S3 is object storage built to store and retrieve any amount of data from anywhere. It’s a simple storage service that offers industry leading durability, availability, performance, security, and virtually unlimited scalability at very low costs.