Data files of which three tablespaces can be recovered by performing an openrecovery？（）

单项选择题Youwanttomigrateyourapplicationfromthedevelopmentenvironmenttotheproductionenvironment.Whiledoingthetask，youwantthedatabaseobjectsownedbytheuserDEVUSERinthedevelopmentenvironmenttobemovedtotheuserAPPSintheproductionenvironment.WhichoptionofOracleDataPumpImportwouldyouusetoachievethisobjective？（）

A.owner
B.touser
C.include
D.schemas
E.fromuser
F.transform
G.remap_schema
H.remap_datafile
I.reuse_datafiles
J.remap_tablespace

单项选择题Inyourdatabase，UNDO_RETENTIONhasbeensetto600secandUNDOtablespaceisconfiguredforRETENTIONGUARANTEE.WhichstatementregardingRETENTIONGUARANTEEistrue？（）

A.Undo data is retained until the next full database backup.
B.No committed undo data will be overwritten for 10 minutes.
C.Committed undo data will be kept forever if not overwritten within 600 seconds.
D.Guarantees that requested undo information are available until the instance is shut down.

单项选择题Exhibit： View the Exhibit to see the information on existing tablespaces of the PROD database.  You observe that a large volume of INSERTs and DELETEs are happening on the TRANS table residing in the USERS tablespace， and you suspect that the TRANS table is fragmented. Which advisory component would you refer to， in order to find the information about table fragmentation？（）

A.Memory Advisor
B.Segment Advisor
C.SQL Tuning and Access Advisors
D.Automatic Workload Repository （AWR）
E.Automatic Database Diagnostic Monitor （ADDM）

单项选择题WhilerunningtheOracleUniversalInstalleronaUnixplatformtoinstallOracleDatabase10gsoftware，youarepromptedtorunorainstRoot.shscript.Whatdoesthisscriptaccomplish？（）

A.It creates the pointer file.
B.It creates the base directory.
C.It creates the Inventory pointer file.
D.It creates the Oracle user for installation.
E.It modifies the Unix kernel parameters to match Oracle’s requirement.

单项选择题WhilecreatingadatabaseusingDatabaseConfigurationAssistanttool，youcreatedadatabasedefaulttemporarytablespace.Whichactivitywouldcausethedefaulttemporarytablespaceofthedatabasetobeused？（）

A.the CREATE TABLE .. command
B.sorting of the SYSTEM tablespace’s data
C.sorting of data required by recursive SQL statements
D.the CREATE TABLE .. ORGANIZATION EXTERNAL .. command
E.sorting of data if the users have not been allocated temporary tablespace explicitly
F.sorting of data if the users have been allocated temporary tablespace explicitly