A.-r B.-a C.-v D.-n
A. Terminate the back end of the chain. B. Set the jumper to device ID 0. C. Terminate both ends of the chain. D. Set the jumper to cable select.
A.Mirror all disks to avoid replacement B.Purchase servers with hot swappable drives configured in a RAID C.Purchase servers with duplicate drives configured as RAID 0 D.Perform timely backups