AWS Certified Developer Associate DVA-C01 – Question246

A Developer is migrating an on-premises application to AWS. The application currently takes user uploads and saves them to a local directory on the server. All uploads must be saved and made immediately available to all instances in an Auto Scaling group.
Which approach will meet these requirements?

A.
Use Amazon EBS and configure the application AMI to use a snapshot of the same EBS instance on boot.
B. Use Amazon S3 and rearchitect the application so all uploads are placed in S3.
C. Use instance storage and share it between instances launched from the same Amazon Machine Image (AMI).
D. Use Amazon EBS and file synchronization software to achieve eventual consistency among the Auto Scaling group.

Correct Answer: D