A Company Runs Multiple Amazon EC2 Linux Instances in a VPC

question 3

Multiple Choice

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 Elastic File System (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 VPC.
• C) Create a file system on an Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS SSD (io1) volume. Attach the volume to all the EC2 instances.
• D) Create file systems on Amazon Elastic Block Store (Amazon EBS) volumes attached to each EC2 instance. Synchronize the Amazon Elastic Block Store (Amazon EBS) volumes across the different EC2 instances.

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