You Want to Mount an Amazon EFS File System on an Amazon

Multiple Choice

You want to mount an Amazon EFS file system on an Amazon EC2 instance using DNS names. Which of the following generic form of a mount target's DNS name must you use to mount the file system?

A) availability-zone.file-system-id.efs.aws-region.amazonaws.com
B) efs-system-id.availability-zone.file-aws-region.amazonaws.com
C) $file-system-id.$availability-zone.$efs.aws-region.$amazonaws.com
D) #aws-region.#availability-zone.#file-system-id.#efs.#amazonaws.com