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计算机考试试题及答案解析

单项选择题

Aclient/serverapplicationhasbeenconfiguredtouselocalnaming.Theclientandserverrunonseparatemachines.Whentheclienttriestoconnect，itreceivesaTNSerror.Bycarefullyexaminingtheenvironment，atnsnames.oraisfoundonlyontheOracleservermachine，amongotherthings.Aftercopyingthistnsnames.oraontotheclientmachine，theclientisabletoconnecttotheserver.Whichstatementistrue？（）
A.tnsnames.oramustbeontheclientmachineforlocalnaming.
B.tnsnames.oramustberemovedfromtheserverfortheconnectiontowork.
C.tnsnames.oramustbeonboththeclientandservermachinesforlocalnaming.
D.tnsnames.oraisnotrequiredforlocalnaming;theproblemwasnotfixedbycopyingthefiletotheclient.
A.Theclientandserverrunonseparatemachines.Whentheclienttriestoconnect，itreceivesaTNSerror.Bycarefullyexaminingtheenvironment，atnsnames.oraisfoundonlyontheOracleservermachine，amongotherthings.Aftercopyingthistnsnames.oraontotheclientmachine，theclientisabletoconnecttotheserver.Whichstatementistrue？（）
A.tnsnames.oramustbeontheclientmachineforlocalnaming.
B.tnsnames.oramustberemovedfromtheserverfortheconnectiontowork.
C.tnsnames.oramustbeonboththeclientandservermachinesforlocalnaming.
D.tnsnames.oraisnotrequiredforlocalnaming;theproblemwasnotfixedbycopyingthefiletotheclient.
相关考题

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单项选择题 ClicktheExhibitbuttonandexaminethediagram.YouarerunningadatabasethattakesadvantageoffeaturesprovidedbyConnectionManager，heterogeneousservices，andexternalprocedures.Thediagramdepictsthecomponentsusedforthenamingmethodyoujustconfigured.Whichnamingmethodareyouusing？（）A.Hostnamingmethod.B.Localnamingmethod.C.Directorynamingmethod.D.Externalnamingmethod.

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