单选题：Which RAID level improves reliability and balances the disks ove

Which RAID level improves reliability and balances the disks overhead? @[D](1)
A. RAID 1
B. RAID 2
C. RAID 4
D. RAID 5



A.RAID 1
B.RAID 2
C.RAID 4
D.RAID 5


答案：D