SK0-003 · Question #890
A system administrator has implemented EFS on the users' share folders. After copying one of the files from the remote share folder on the server to the local computer, a user reports that the file…
The correct answer is C. The local computer hard drive is formatted with FAT32. The file became accessible by everyone because EFS encryption is not supported by FAT32 file systems, causing the encryption to be lost upon copying.
Question
A system administrator has implemented EFS on the users' share folders. After copying one of the files from the remote share folder on the server to the local computer, a user reports that the file is now accessible by everyone. Which of the following describes what has happened?
Options
- AThe local computer has a third party software firewall.
- BThe latest patches have not been installed on the server.
- CThe local computer hard drive is formatted with FAT32.
- DThe server has run out of virtual memory.
How the community answered
(45 responses)- A4% (2)
- B11% (5)
- C78% (35)
- D7% (3)
Why each option
The file became accessible by everyone because EFS encryption is not supported by FAT32 file systems, causing the encryption to be lost upon copying.
A local computer's third-party software firewall controls network traffic, not the encryption status or access permissions of local files based on their file system.
Missing patches on the server are unlikely to specifically cause EFS encryption loss when a file is copied to a client machine, as the issue lies with the destination file system's capabilities.
Encrypting File System (EFS) is a feature exclusive to the NTFS file system that provides file-level encryption. When an EFS-encrypted file is copied from an NTFS-formatted share to a local computer's drive or partition formatted with FAT32, the encryption attributes are stripped because FAT32 lacks the capability to preserve or manage EFS encryption, rendering the file unencrypted.
The server running out of virtual memory would affect server performance and stability but has no direct bearing on the loss of EFS encryption when a file is copied to a client's FAT32-formatted drive.
Concept tested: EFS compatibility with file systems
Source: https://learn.microsoft.com/en-us/windows/security/information-protection/efs/encrypt-a-file-or-folder
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