单项选择题
A.imp hr/hr TABLES=（ts_employees） rows=y
B.imp system/manager FROMUSER=hr file=expdat.dmp
C.imp hr/hr TRANSPORT_TABLESPACE=y file=expdat.dmp
D.imp system/manager TRANSPORT_TABLESPACE=y TABLESPACE=ts_employees
多项选择题 OracleNetisresponsibleforestablishingandmaintainingtheconnectionbetweentheclientapplicationandtheserver.Ontheclientside，OracleNetisresponsibleforwhichthreeconnectivityissues？（）
单项选择题 Thelistenerusesdynamicinformationaboutthedatabaseandinstanceithasreceivedthroughserviceregistrationbeforeusinginformationstaticallyconfigured.Someservicessuchasheterogeneousservicesandexternalproceduresrequiretheuseofinformationstaticallyconfiguredwithinlistener.ora.Inordertosupportthis，whichtoolcouldbeusedtoconfigurethelistenerstatically？（）
单项选择题 Whichinitializationparametermustyousettoenableautomaticarchiving？（）