单项选择题

Which of the following is a disadvantage of RAID 10?（）

A. Poor performance
B. No fault tolerance
C. Not supported by many RAID controllers
D. Higher cost

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单项选择题

An administrator recently installed a new array controller into a server. When the server is running POST the controller does not appear as present.
Which of the following could be the reason for this？（）

A. The server BIOS firmware is out-of-date.
B. The server does not have the correct drivers.
C. The server hard drives have not begun to spin.
D. The server has too little memory installed.

单项选择题

Which of the following is an environmental server maintenance task that should be performed every three months?（）

A. Replace the rubber mats in the server room
B. Clean the servers to limit dust buildup
C. Wash the outside of the servers
D. Replace the server fans

单项选择题

Which of the following channels air flow through a server chassis？（）

A.Fans
B.Ducts
C.Heat sinks
D.Condensers