单项选择题
Which of the following BEST describes the difference between RAID 5 and RAID 6？（）
A. RAID 5 uses a dedicated parity drive and RAID 6 does not. B. RAID 6 uses a dedicated parity drive and RAID 5 does not. C. RAID 6 uses more parity drives than RAID 5. D. RAID 5 uses more parity drives than RAID 6.
单项选择题 Which of the following is the MOST important consideration before making a change to a server?（）
单项选择题 WhichofthefollowingBESTdescribesRAID0？（）
单项选择题 Which of the following BEST describes RAID 1?（）
