Answer: Unlimited

Amazon S3 (Simple Storage Service) offers virtually unlimited storage. There are no predefined limits on the total amount of storage that can be used. Customers can store as much data as they need in S3, scaling their storage capacity as per their requirements. The pricing for Amazon S3 is based on the amount of storage used and additional features or data transfer, rather than a fixed limit on storage capacity. The 5 TB limit mentioned in option C refers to the maximum size for a single S3 object, not the total storage capacity. Therefore, the correct answer is D, Unlimited.

Author: LeetQuiz Editorial Team