220-1002 Question #616: Real Exam Question with Answer & Explanation

The correct answer is D: EFS. EFS (Encrypting File System) is a feature built into Windows NTFS that encrypts files and folders on disk using cryptographic keys tied to user accounts. When data is ciphered (encrypted) on a disk using a key, that is precisely what EFS provides. exFAT (A) is a lightweight files

Question

Which of the following types filesystems is in use when data is endiphered on a disk using a key?

Options

AexFAT
BHFS
CFAT
DEFS

Explanation

EFS (Encrypting File System) is a feature built into Windows NTFS that encrypts files and folders on disk using cryptographic keys tied to user accounts. When data is ciphered (encrypted) on a disk using a key, that is precisely what EFS provides. exFAT (A) is a lightweight filesystem designed for flash drives and external storage with no built-in encryption. HFS (B) is Apple's Hierarchical File System used on older macOS systems and also lacks native key-based encryption as a filesystem feature. FAT (C) is a legacy filesystem with no encryption capabilities whatsoever.

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