AWS Certified Solutions Architect – Professional — Question 550

You create an Amazon Elastic File System (EFS) file system and mount targets for the file system in your Virtual Private Cloud (VPC). Identify the initial permissions you can grant to the group root of your file system.

Answer options

• A. write-execute-modify
• B. read-execute
• C. read-write-modify
• D. read-write

Correct answer: B

Explanation

By default, a newly created Amazon EFS file system is initialized with POSIX permissions of 0755. This configuration grants the owner read, write, and execute permissions, while the root group and other users are granted only read and execute permissions.