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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A. Default gateway
B. The ports on the switch
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单项选择题
Atechnicianwantstodecreasetheoverallattacksurfaceoftheserversinadatacenterthrough decreasingthenumberofopennetworkportsoneachserver.Whichofthefollowingcouldthe technicianimplementtoincreasesecurity？（）
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单项选择题
WhichofthefollowingisabenefitofRAID1？（）
A. Higher capacity
B. Higher performance
C. Fault tolerance
D. Multiple failure fault tolerance
