Which of the following backups is BEST for forensic purposes?

The correct answer is D. Bit-by-bit copy. For forensic purposes, the bit-by-bit copy is the best choice because: Preserves all data: A bit-by-bit copy captures every bit of data on the storage device, including deleted files, unallocated space, and file system metadata. This level of detail is crucial for forensic invest

Submitted by rohit_dlh· Apr 18, 2026Information Security Incident Management

Question

Options

ADump of file system
BVirtualized image
CDump of file allocation table
DBit-by-bit copy

How the community answered

(54 responses)

A
9% (5)
B
4% (2)
C
15% (8)
D
72% (39)

Explanation

For forensic purposes, the bit-by-bit copy is the best choice because: Preserves all data: A bit-by-bit copy captures every bit of data on the storage device, including deleted files, unallocated space, and file system metadata. This level of detail is crucial for forensic investigations. Integrity and accuracy: Bit-by-bit copies ensure that the forensic image is an exact replica of the original storage medium, minimizing the risk of data loss or alteration during the backup process. Legal admissibility: In forensic investigations, maintaining the integrity of evidence is critical. Bit- by-bit copies can be hashed to verify that the image has not been tampered with, which supports legal admissibility.

Topics

#Digital Forensics#Data Acquisition#Evidence Preservation#Incident Response

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