An Application Has the Following Requirements: Performance Efficiency of Seconds

An application has the following requirements: Performance efficiency of seconds with up to a minute of latency. The data storage size may grow up to thousands of terabytes. Per-message sizes may vary between 100 KB and 100 MB. Data can be stored as key/value stores supporting eventual consistency. What is the MOST cost-effective AWS service to meet these requirements?

A) Amazon DynamoDB
B) Amazon S3
C) Amazon RDS (with a MySQL engine)
D) Amazon ElastiCache

Correct Answer:

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