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EC-Council: Computer Hacking Forensic Investigator(CHFI-V10)
Module 3 : Understanding Hard Disks and File Systems
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Bookmark this Question		QID: 561
Which of the following stand true for BIOS Parameter Block?
A:    The BIOS Partition Block is the first sector of a data storage device
B:    The BIOS Partition Block describes the physical layout of a data storage volume
C:    The length of BIOS Partition Block remains the same across all the file systems
D:    The BIOS Partition Block always refers to the 512-byte boot sector
Explanation: The BIOS parameter block (BPB) is a data structure in the partition boot sector It describes the physical layout of a data storage volume, such as the number of heads and the size of the tracks on the drive BPB in file systems such as FAT12 (except in DOS 1.x), FAT16, FAT32, HPFS (High Performance File System), and NTFS (New Technology File System) defines the filesystem structure The BPB length varies for FAT16, FAT32, and NTFS boot sectors due to different types of fields and the amount of data stored in them BPB assists investigators to locate the file table on the hard drive