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The correct answer is D.

OBJ-4.4: File carving is the process of extracting data from an image when that data has no associated file system metadata. A file-carving tool analyzes the disk at the sector/page level. It attempts to piece together data fragments from unallocated and slack space to reconstruct deleted files, or at least bits of information from deleted files. File carving depends heavily on file signatures or magic numbers—the sequence of bytes at the start of each file identifies its type. Hashing is a function that converts an arbitrary length string input to a fixed-length string output. Overwrite is a method of writing random bits or all zeros over a hard disk to sanitize it. Recovery is a generic term in forensics, cybersecurity incident response, and other portions of the IT industry, therefore it is not specific enough to be the correct option.

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