单项选择题
An administrator needs to maintain 1TB of storage for mission critical application data.Faulttolerance and performance are the most important considerations.Cost is not a factor at all. Which of the following RAID configurations would be the BEST choice to meet the criteria for the storage array？（）
A.RAID 6 with six 250GB hard drives
B.RAID 10 with eight 250GB hard drives
C.RAID 5 with five 250GB hard drives
D.RAID 0 with eight 250GB hard drives
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