单项选择题
A.CPU efficiency
B.High availability
C.High redundancy
D.Cost effective
单项选择题 Which of the following technologies causes a single processor to appear as multiple processors within System Properties in a Windows Server?（）
单项选择题 WhichofthefollowingistheMOSTimportantconsiderationwhenimplementingadataretentio program？（）
单项选择题 AnadministratorseesthatsmokeiscomingfromtheUPS.WhichofthefollowingshouldtheydoFIRST？（）