单项选择题

Which of the following describes how to calculate the amount of storage in a RAID 5 array？（）

A. Number of drives X capacity of the smallest drive
B. （Number of drives 2） X capacity of the smallest drive
C. Number of drives X capacity of the largest drive
D. （Number of drives 1） X capacity of the smallest drive

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单项选择题

Which of the following RAID levels would provide the BEST performance with no fault protection？（）

A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5

单项选择题

Which of the following is a benefit of software RAID？（）

A. Increased data integrity
B. Higher performance
C. Lower cost to implement
D. More storage possibilities

单项选择题

An administrator has ordered a new server and setup a dedicated RAID 1 array for the application database. While troubleshooting with performance monitoring tools， the administrator is receiving lowerread/write speeds than expected.
Which of the following would be the MOST likely cause for the lower performance？（）

A. The BIOS needs to be upgraded.
B. The administrator did not add the right amount of memory.
C. There is a cooling issue with the server.
D. The administrator did not order high enough RPM drives.