Your company has received a contract to augment a legacy enterprise file sharing system for a large media house. As of now, the company is using an on-premises private file sharing solution that is integrated with its directory service and uses a web-based intranet application to share files. With growing remote staff, the company needs support for mobile devices so that remote staff can work offline as well. Please suggest a valid option to architect the system with the given requirements.

Answer options:

A.Migrate all the files to S3 and build a web and mobile application to share the files. Use IAM for user access management.
B.Migrate the existing system to EC2 with Autoscaling and save all the files to S3. Use AD Connector for user access management.
C.Use the AWS WorkDocs and integrate it with the on-premise directory server using the AD Connector.
D.Use Simple AD integration with IAM, and use S3 bucket level policies to share the files via S3. On S3, enable the Static website hosting for web access.

Correct Answer: C
Option A and B are INCORRECT because this will require a full-scale development of web and mobile application.
Option C is CORRECT as AWS WorkDocs provides all the necessary resources to create an enterprise-level file sharing solution. It can integrate with Enterprise Directory Service as well.
Option D is INCORRECT because with S3 bucket level policies and static website hosting, it will not be sufficient to build the required solution.