Encrypting File System (EFS) is a feature of which Windows file system?

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Enhance your knowledge as a Computer Hacking Forensic Investigator with the CHFI v11 Test. Use flashcards and multiple-choice questions, complete with hints and detailed explanations, to prepare effectively and ace your exam!

Multiple Choice

Encrypting File System (EFS) is a feature of which Windows file system?

Explanation:
The thing being tested is which Windows file system supports built-in per-file encryption. Encrypting File System (EFS) is not a separate file system; it is a feature that works with the Windows NT File System (NTFS). EFS protects each file by encrypting its contents with a per-file symmetric key, and then encrypting that key with the user’s public key. The encrypted data and the encrypted key are stored on the NTFS volume, leveraging NTFS metadata and security features to control access. Other listed file systems, like HFS+ (macOS), EXT2 (Linux), or NFS (network file system), do not provide EFS.

The thing being tested is which Windows file system supports built-in per-file encryption. Encrypting File System (EFS) is not a separate file system; it is a feature that works with the Windows NT File System (NTFS). EFS protects each file by encrypting its contents with a per-file symmetric key, and then encrypting that key with the user’s public key. The encrypted data and the encrypted key are stored on the NTFS volume, leveraging NTFS metadata and security features to control access. Other listed file systems, like HFS+ (macOS), EXT2 (Linux), or NFS (network file system), do not provide EFS.

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