A company is deploying a new cluster for big data analytics on AWS. The cluster will run across many Linux Amazon EC2 instances that are spread across multiple Availability Zones. All of the nodes…

AWS Storage Gateway file gateway is primarily used for hybrid cloud scenarios to provide on-premises access to cloud storage, not as the primary shared storage solution for an EC2-based big data cluster within AWS, and S3 is object storage, not a POSIX file system.

While Amazon EFS General Purpose mode is suitable for many workloads, the Max I/O performance mode is specifically optimized for applications demanding the highest throughput, making it a better fit for the 'high levels of throughput' requirement of a big data cluster.

Amazon EBS volumes are block storage attached to a single EC2 instance within a single Availability Zone (with Multi-Attach having specific limitations), thus failing to provide shared file storage accessible by multiple instances across multiple AZs.

Amazon EFS provides a scalable, highly available, and resilient shared file system that is POSIX-compliant and can be accessed by multiple EC2 instances across multiple Availability Zones. The Max I/O performance mode is specifically designed for applications like big data analytics that require the highest possible aggregate throughput and I/O operations.