SOA-C02 · Question #670
SOA-C02 Question #670: Real Exam Question with Answer & Explanation
The correct answer is B: Deploy Amazon EFS in the VPC and create mount targets in multiple subnets.. Amazon Elastic File System (Amazon EFS) is the best solution for this use case because: It provides a scalable, shared file system that multiple EC2 instances across different Availability Zones can access simultaneously. It supports automatic scaling from gigabytes to petabytes,
Question
An application accesses data through a file system interface. The application runs on Amazon EC2 instances in multiple Availability Zones, all of which must share the same data. While the amount of data is currently small, the company anticipates that it will grow to tens of terabytes over the lifetime of the application. What is the MOST scalable storage solution to fulfill this requirement?
Options
- AConnect a large Amazon EBS volume to multiple instances and schedule snapshots.
- BDeploy Amazon EFS in the VPC and create mount targets in multiple subnets.
- CLaunch an EC2 instance and share data using SMB/CIFS or NFS.
- DDeploy an AWS Storage Gateway cached volume on Amazon EC2.
Explanation
Amazon Elastic File System (Amazon EFS) is the best solution for this use case because: It provides a scalable, shared file system that multiple EC2 instances across different Availability Zones can access simultaneously. It supports automatic scaling from gigabytes to petabytes, making it ideal for workloads expecting future growth. It offers high availability and durability across multiple AZs.
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