多项选择题

WhichofthefollowingfilescannotbebackedupbyRMAN？（）

A.Databasedatafiles
B.Controlfiles
C.Onlineredologs
D.Databasepfiles
E.Archivedredologs
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多项选择题
气瓶从结构上分为____。
A、无缝气瓶
B、焊接气瓶
C、液化石油气钢瓶
D、溶解乙炔气瓶
多项选择题
YourwirelessnetworkisnotlistedintheConnecttoanetworkwindowofyourcomputer.Youneedtoconnecttoyourwirelessnetwork.Whichtwoactionsshouldyouperform？（）
A.Right-clickandclicktheDiagnoseoptionintheConnecttoanetworkwindow.
B.SetthesecuritytypevaluetoNoauthenticationinthewirelessnetworkpropertiesdialogbox.
C.ClicktheManuallyconnecttoawirelessnetworkoptionintheSetupaconnectionornetworkwindow.
D.IntheWirelessNetworkpropertiesdialogbox，clicktheConnectevenifthenetworkisnotbroadcastingoption.
E.ConfigurethecorrectIPaddress，subnetmask，anddefaultgatewayforthetargetnetworkinthewirelessnetworkconnectionpropertiesdialogbox.
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