What is the name of the optional built-in encryption that Microsoft added to NTFS when Windows 2000 was introduced?

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Multiple Choice

What is the name of the optional built-in encryption that Microsoft added to NTFS when Windows 2000 was introduced?

Explanation:
Encrypting File System (EFS) is the built-in NTFS encryption added with Windows 2000. It provides per-file and per-folder encryption within NTFS, using the user’s cryptographic keys. Each file is encrypted with a per-file key, and that key is itself encrypted with the user’s public key, with a recovery option available if configured. This is distinct from BitLocker, which is full-disk encryption introduced later in Windows Vista, and from generic “full disk encryption.” So the feature introduced in Windows 2000 for NTFS is Encrypting File System.

Encrypting File System (EFS) is the built-in NTFS encryption added with Windows 2000. It provides per-file and per-folder encryption within NTFS, using the user’s cryptographic keys. Each file is encrypted with a per-file key, and that key is itself encrypted with the user’s public key, with a recovery option available if configured. This is distinct from BitLocker, which is full-disk encryption introduced later in Windows Vista, and from generic “full disk encryption.” So the feature introduced in Windows 2000 for NTFS is Encrypting File System.

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