An application requires a highly available, POSIX-compliant file system that can be mounted concurrently by hundreds of EC2 instances across multiple Availability Zones. Which AWS service meets this requirement?

Answer options:

Amazon Elastic Block Store (EBS)

Amazon S3

Amazon Elastic File System (EFS)

Amazon FSx for Windows File Server

How to approach this question

Match 'POSIX-compliant', 'concurrent access', and 'multi-AZ' to the storage service.

Full Answer

C.Amazon Elastic File System (EFS)✓ Correct

Amazon EFS provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and on-premises resources. It is natively multi-AZ and POSIX-compliant.

Common mistakes

Choosing EBS, which is block storage and generally single-attach.

Question 55 All questions Question 57

Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 2

75 questions · hints · full answers · grading

More questions from this exam

Q01A company is setting up a multi-account AWS environment using AWS Organizations. They need to ens...Easy Q02An enterprise needs to connect its on-premises data center to AWS. They require a dedicated, priv...Easy Q03A company wants to share a single AWS Transit Gateway across multiple AWS accounts within their A...Easy Q04An architect needs to design a highly available database architecture that spans multiple AWS Reg...Easy Q05A global financial institution is migrating its core banking application to AWS. The application ...Medium

View all 75 questions →