You issue these LSNRCTL commands： LSNRCTL> SET CURRENT_……

单项选择题ExaminetheRMANcommand：SWITCHDATAFILE’ DISK3 user_data01.dbf’；Whichcommanddoyouneedtoissuebeforeyouissuetheabovecommand，sothatRMANfindsthefileintherestoredlocationof’DISK2 user_data01.dbf’？（）

A.RESTORE DATAFILE ’/DISK2/user_data01.dbf’
B.RESTORE DATAFILE ’/DISK3/user_data01.dbf’
C.SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’
D.SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’

单项选择题WhichstatementistrueregardingDynamicServiceRegistration？（）

A.Dynamic service registration requires configuration in the listener .ora file.
B.Dynamic service registration can be used only with an Oracle9/instance.
C.Dynamic service registration cannot register a local listener that does not use TCP/IP or port 1521.
D.The PMON background process automatically registers each database instance if the necessary parameters have been set in the database initialization parameter file.

单项选择题You are implementing a very simple TCP IP network. It rarely changes and you would like to use Oracle Connection Manager to filter client requests.  Which naming method can you use？（）

A.Only host
B.Only local
C.Either host or local
D.Both host and local

单项选择题YouneedtoimportalldefinitionsofobjectsbelongingtotheTS_EMPLOYEEStablespacebyusingtheexportfileexpdat.dmp.Whichimportstatementiscorrect？（）

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？（）

A.The location of the server.
B.The Oracle user being connected.
C.Privileges and role information.
D.Protocol involved in the connection.
E.How to handle exceptions and interrupts.