Computer Hacking Forensic Investigator (CHFI) Practice Exam 2025 - Free CHFI Practice Questions and Comprehensive Study Guide

The correct answer is that data files from original evidence should primarily be used for forensics analysis. This type of analysis is essential in the field of digital forensics, as it involves examining and interpreting data from original files in order to uncover relevant information pertaining to an investigation. Forensic analysis relies on the preservation of original evidence to maintain its integrity, ensuring that any findings can be presented in a legal context.

Using original evidence allows investigators to perform comprehensive examinations that include recovering deleted files, analyzing file metadata, and linking data to potential criminal activities. Forensic analysis adheres to strict protocols to ensure that evidence is not contaminated or altered during the process.

In contrast, other types of analyses may have different focuses and may not require original evidence or the level of detail necessary for forensic purposes. Statistical analysis typically involves examining and interpreting data patterns, which may not necessitate original evidence. Data recovery analysis focuses specifically on retrieving lost data rather than examining it for legal context. Performance analysis assesses system efficiency and functionality rather than investigating potential misdeeds or unlawful activities. Therefore, forensics analysis aligns best with the use of original evidence files, as it directly supports the investigative process.