AWS Certified Cloud Practitioner (CLF-C02) — Question 514

Which AWS service allows for file sharing between multiple Amazon EC2 instances?

Answer options

• A. AWS Direct Connect
• B. AWS Snowball Edge
• C. AWS Backup
• D. Amazon Elastic File System (Amazon EFS)

Correct answer: D

Explanation

Amazon Elastic File System (Amazon EFS) provides a serverless, fully managed network file system that can be mounted concurrently by multiple Amazon EC2 instances. In contrast, AWS Direct Connect establishes dedicated network connections, AWS Snowball Edge is used for offline data migration and edge computing, and AWS Backup is designed for centralized backup management.