What is the recommended storage option when you run a database on an instance with the above criteria?

You have been asked to set up a database in AWS that will require frequent and granular updates. You know that you will require a reasonable amount of storage space but are not sure of the best option.

What is the recommended storage option when you run a database on an instance with the above criteria?
A . Amazon S3
B . Amazon EBS
C . AWS Storage Gateway
D . Amazon Glacier

Answer: B

Explanation:

Amazon EBS provides durable, block-level storage volumes that you can attach to a running Amazon EC2 instance. You can use Amazon EBS as a primary storage device for data that requires frequent and granular updates. For example, Amazon EBS is the recommended storage option when you run a database on an instance.

Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Storage.html