An administrator recovered a system. The machine displays a black screen and reboots from the Simplified Disaster Recovery Disk (SDR) device again. What is a
likely cause?

A.
The new system has a different RAID configuration than the original system from which the backup was taken.

B.
The administrator forgot to format the hard disks before restore.

C.
The system partition needs to be set to Active.

D.
The master boot record is corrupt.