A company recently created a disaster recovery site in a different AWS Region. The company needs to transfer large amounts of data back and forth between NFS file systems in the two Regions on a periodic basis. Which solution will meet these requirements with the LEAST operational overhead?

• AUse AWS DataSync.
• BUse AWS Snowball devices.
• CSet up an SFTP server on Amazon EC2.
• DUse AWS Database Migration Service (AWS DMS).