Which of the following best describes the function of an AWS Storage Gateway?

You have been asked to build AWS infrastructure for disaster recovery for your local applications and within that you should use an AWS Storage Gateway as part of the solution.

Which of the following best describes the function of an AWS Storage Gateway?
A . Accelerates transferring large amounts of data between the AWS cloud and portable storage devices .
B . A web service that speeds up distribution of your static and dynamic web content.
C . Connects an on-premises software appliance with cloud-based storage to provide seamless and secure integration between your on-premises IT environment and AWS’s storage infrastructure.
D . Is a storage service optimized for infrequently used data, or "cold data."

Answer: C

Explanation:

AWS Storage Gateway connects an on-premises software appliance with cloud-based storage to provide seamless integration with data security features between your on-premises IT environment and the Amazon Web Services (AWS) storage infrastructure. You can use the service to store data in the AWS cloud for scalable and cost-effective storage that helps maintain data security. AWS Storage Gateway offers both volume-based and tape-based storage solutions:

Volume gateways

Gateway-cached volumes

Gateway-stored volumes

GatewayCvirtual tape library (VTL)

Reference: http://media.amazonwebservices.com/architecturecenter/AWS_ac_ra_disasterrecovery_07.pdf