Answer:
Host Protected Area
Explanation:
The feature ATA-4 that can set the apparent end of the drive before the actual end of the drive in order to make a secure area for storing disk recovery information is called host protected area. Host protected area is normally not visible in the computer operating system. It contains boot code as well as diagnostics and other utilities. Please be noted that firstly, host protected area was included in ATA-4 specification.
