单项选择题
Under the Oracle Shared Server architecture， client-user processes ultimately connect to a（）
A.service B.listener C.dispatcher D.shared server process
多项选择题 Whichtwoaretrueregardingdirect-pathexports？（）
单项选择题 TheLogWriter（LGWR）processreadsinformationfromthe（）andwritesittotheonlinelogs.
单项选择题 WhenyouareallowingRMANtobackupyourarchivedredologfiles，howdoesRMANknowwhicharchivedredologstobackupfromyourarchivelogdestination？（）
