单选题Which of the following is a benefit of a hot spare？（）A Lower costB Allows two RAID 1 drives to simultaneously fail without losing any dataC Enhanced fault toleranceD Enhanced performance
单选题
Which of the following is a benefit of a hot spare？（）
A
Lower cost
B
Allows two RAID 1 drives to simultaneously fail without losing any data
C
Enhanced fault tolerance
D
Enhanced performance
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