單項(xiàng)選擇題

A server has six drives of equal size attached to a RAID controller. Which of the following RAID levels would provide the FASTEST performance?（）

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

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單項(xiàng)選擇題

Which of the following provides the BEST security and accountability for a Data Center？（）

A. Entry logging
B. Combination locks
C. Card keys
D. Dead bolts

單項(xiàng)選擇題

A company has just implemented a disaster recovery plan in which critical business must be restored in a four hour window. Which of the following methods should be used to backup theservers？（）

A.Incremental backup
B.Data only backups
C.SAN replication
D.Full backup