多项选择题
A.Direct-path export is typically faster.
B.Direct-path export can be invoked interactively.
C.Direct-path export is character set independent.
D.Direct-path export bypasses the SQL-command processing layer.
E.Direct-path export can be used to export rows containing LOBs and BFILEs.
单项选择题 TheLogWriter（LGWR）processreadsinformationfromthe（）andwritesittotheonlinelogs.
单项选择题 WhenyouareallowingRMANtobackupyourarchivedredologfiles，howdoesRMANknowwhicharchivedredologstobackupfromyourarchivelogdestination？（）
单项选择题 Whatisthepurposeofimportingfromanexport，andspecifyingthatnorowsbeimportedandthattheoutputgoestoalogfile？（）