A Company Has NFS Servers in an On-Premises Data Center

Multiple Choice

A company has NFS servers in an on-premises data center that need to periodically back up small amounts of data to Amazon S3. Which solution meets these requirements and is MOST cost-effective?

A) Set up AWS Glue to copy the data from the on-premises servers to Amazon S3.
B) Set up an AWS DataSync agent on the on-premises servers, and sync the data to Amazon S3.
C) Set up an SFTP sync using AWS Transfer for SFTP to sync data from on-premises to Amazon S3.
D) Set up an AWS Direct Connect connection between the on-premises data center and a VPC, and copy the data to Amazon S3.