Thelistenerusesdynamicinformationaboutthedatabaseandinstanceithasreceivedthroughserviceregistrationbeforeusinginformationstaticallyconfigured.Someservicessuchasheterogeneousservicesandexternalproceduresrequiretheuseofinformationstaticallyconfiguredwithinlistener.ora.Inordertosupportthis,whichtoolcouldbeusedtoconfigurethelistenerstatically?()
A. OracleNetManager
B. ListenerControlUtility
C. OracleNetControlUtility
D. OracleNetConfigurationAssistant