Your company has 100TB of financial records that need to be stored for seven years by law. Experience has shown that any record more than one-year old is unlikely to be accessed. Which of the following storage plans meets these needs in the most cost efficient manner?
A. Store the data on Amazon Elastic Block Store (Amazon EBS) volumes attached to
t2.micro instances.
B. Store the data on Amazon Simple Storage Service (Amazon S3) with lifecycle policies that change the storage class to Amazon Glacier after one year and delete the object after seven years.
C. Store the data in Amazon DynamoDB and run daily script to delete data older than seven years.
D. Store the data in Amazon Elastic MapReduce (Amazon EMR).
Answer: B