CORRECT TEXT
On your system exists a file that is described as a map file that is used to update the MBR or first sector of the partition with the appropriate booting information.
Type the full path and name of the file.

Answer: /etc/lilo.conf

Explanation:
/etc/lilo.conf is the file used by lilo command to update the MBR or first sector of the partition with the appropriate booting information ie. root partition, kernel file
etc.