Which solution meets these requirements MOST cost-effectively?

An ecommerce company hosts its analytics application in the AWS Cloud. The application generates about 300 MB of data each month. The data is stored in JSON format. The company is evaluating a disaster recovery solution to back up the data. The data must be accessible in milliseconds if it is needed, and the data must be kept for 30 days.

Which solution meets these requirements MOST cost-effectively?
A . Amazon Elasticsearch Service (Amazon ES)
B . Amazon S3 Glacier
C . Amazon S3 Standard
D . Amazon RDS for PostgreSQL

View Answer

Answer: A