In your database， UNDO_RETENTION has been set to 600 sec and UNDO tablespace is configured for RETENTION GUARANTEE. Which statement regarding RETENTION GUARANTEE is true？ （）

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

单项选择题Your alert log file has the following information： Tue May 25 17：43：38 2004  ORA-00060： Deadlock detected. More info in file  u01 app oracle admin ORCL udump orcl_ora_3173.trc.  What would you do to ensure that database is still running correctly？（）

A.examine the trace file and kill the session that caused the deadlock
B.examine the trace file and kill both the sessions responsible for the deadlock
C.examine the trace file for details and ask the user who caused the deadlock to roll back the transaction
D.examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database
E.examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock

单项选择题Youwanttoperformabackupofyourdatabasetotape.Whichbackupformatcanyouuse？（）

A.backup set only
B.image copy only
C.only user-managed backup
D.both image copy and backup set
E.only incremental image copy backup