單項(xiàng)選擇題

A server consists of two 72GB SCSI drives and four 146GB SCSI drives. All drives are attached to RAID  controller. The system administrator has decided to configure all six drives in a RAID 5 array. 
How much usable disk space will this array have?()

A. 288GB
B. 360GB
C. 432GB
D. 728GB

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