Computer Hacking Forensic Investigator (CHFI) Practice Exam

The role of the BMP file header is to provide essential metadata for the image, which includes critical information about the file itself. This metadata typically encompasses details such as the image dimensions, color depth, compression type (if any), and resolution. By defining these parameters, the BMP file header plays a vital role in enabling software and systems to correctly interpret and render the bitmap image.

The correct understanding of the BMP file header is crucial for anyone studying computer forensics or image processing, as it allows forensic investigators to analyze and manipulate images effectively. The other options, while related to various aspects of a BMP file, do not accurately describe the specific function of the file header. For instance, the actual color information is found in the pixel array section of the BMP file, while pixel coordinates are determined by the arrangement of pixel data rather than defined in the header. Additionally, the bitmap data itself is located after the header, which contains the raw pixel data for the image.