How can this be achieved?

A company runs multiple Amazon EC2 Linux instances in a VPC with applications that use a hierarchical directory structure. The applications need to rapidly and concurrently read and write to shared storage.

How can this be achieved?
A . Create an Amazon EFS file system and mount it from each EC2 instance.
B . Create an Amazon S3 bucket and permit access from all the EC2 instances in the VP
D . Create a file system on an Amazon EBS Provisioned IOPS SSD (io1) volume. Attach the volume to all the EC2 instances.
E . Create file systems on Amazon EBS volumes attached to each EC2 instance.
Synchronize the Amazon EBS volumes across the different EC2 instances.

View Answer

Answer: A