單項(xiàng)選擇題

An administrator has encountered an error while patching a virtualized guest machine. Which of the following technologies would allow the administrator to restore to a pre-patched state the FASTEST？（）

A.Cloning
B.Bare Metal Restore
C.OS Restore
D.Snapshot

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單項(xiàng)選擇題

An administrator has experienced minor electrical shocks when touching metal surfaces in the data center. Which of the following is the MOST likely cause？（）

A.The UPS is using 220-240V rather than 110-120V
B.The humidity is too low
C.The temperature is too low
D.The datacenter is experiencing EMI

單項(xiàng)選擇題

Which of the following uses a switching fabric to connect storage LUNs to hosts？（）

A.Fiber Channel
B.SCSI
C.SATA
D.Ethernet