单项选择题
Which of the following RAID levels supports fault tolerance by writing parity to only one drive in the array？（）
A.RAID 3
B.RAID 5
C.RAID 6
D.RAID 10
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Anadministratorbuysanewserver.Theserverhasfourdisksandneedstobeconfiguredformaximumspace.Faulttoleranceisnotaconstraint.Whichofthefollowingconfigurations completesthistask？（）
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