题目内容

输入电源必须接到变频器输入端子L1、L2、L3上，电动机必须接到变频器输出端子U、V、W上。（)

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交直交变频器的调速范围较交交变频器调速范围小。（)

Asystemisexperiencingpacketroutingproblems，whentheadministratorruns’netstat-nr’thefollowingdefaultroutesaredisplayed：default165.253.251.1UG51601304en8--default192.168.50.1UGH01590450en4--Assumingthefirstrouteiscorrect，howcantheadministratorremovetheincorrectdefaultroute？（）

A. routedeletedefault192.168.50.1
B. accesssmitwiththeroute_removeshortcut
C. chdev-linet0-adelroute=net，-hopcount，0，，192.168.50.1
D. flushtheroutingtablefromtheconsoleandconfiguringthe165.253.251.1route

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单位以实物形式发放员工的福利，由于不是现金，所以不需要扣缴个人所得税。（)

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Acustomeriscost-justifyingadvancedsoftwarefunctionsofseveraldisksubsystemvendors.WhichofthefollowingsoftwarefeaturesoftheStorwizeV7000areprovidedatnocharge？（）

A. EasyTier,FlashCopy,ThinProvisioning
B. EasyTier,ExternalVirtualization,FlashCopy
C. EasyTier,Metro/GlobalMirror,ThinProvisioning
D. Metro/GlobalMirror,FlashCopy,ExternalVirtualization

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