单项选择题
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
单项选择题 WhichofthefollowingusesaswitchingfabrictoconnectstorageLUNstohosts？（）
单项选择题 WhichofthefollowingcantransmitblocklevelstorageoverEthernet？（）
单项选择题 AnadministratorhasremovedaSATAharddrivefromafailedserver.Whichofthefollowing adapterswouldMOSTlikelybeusedbytheadministratortotransferfilesfromthedrivetoa laptop？（）