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多选题
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
A
The retention period to support flashback
B
The expected length of the longest-running query
C
The number of undo tablespaces in the database
D
The size of the Flash Recovery Area for the database instance
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更多 “多选题Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）AThe retention period to support flashbackBThe expected length of the longest-running queryCThe number of undo tablespaces in the databaseDThe size of the Flash Recovery Area for the database instance” 相关考题
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Your database instance is running.You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?()
A. Oracle Net ManagerB. Listener Control utilityC. Database Configuration AssistantD. Oracle Net Configuration Assistant
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After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows:After changing the value, you notice that FULL redaction continues to redact numeric data with zero.What must you do to activate the new default value for numeric full redaction?（）A. Re-enable redaction policies that use FULL data redaction.B. Re-create redaction policies that use FULL data redaction.C. Re-connect the sessions that access objects with redaction policies defined on them.D. Flush the shared pool.E. Restart the database instance
考题
You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old In which situation would you receive such an error？（）A、You performed rollback after commit.B、If a log switch occurs in your database.C、Thearchiverfails to generate an archived log file.D、Instance recovery fails to find one of the redo log files.E、A long-running query is unable to get read-consistent image.F、If you perform manual undo management operations in auto mode.
考题
The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings， workload profile，and statistics to diagnose the possible causes of the performance degradation？（）A、by using the SQL access advisorB、by using the Automatic Workload Repository reportC、by running the Automatic Database Diagnostic Monitor （ADDM）D、by using the Automatic Workload Repository Compare Period reportE、by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
考题
You work as a database administrator for Certkiller .com. Your database is functional. One of the disks containing a mirrored redo log member has bad sectors in it. You are unable to fix the damaged file. How does the loss of a redo log member affect the instance of the database that is currently running？（）A、The instance would normally abort.B、The instance would not be affected.C、The instance would be invalid， so would have to be aborted.D、The instance would remain open， but the LGWR process would fail.E、The instance would remain open and would automatically create the missing file
考题
Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement： SQL DROP TABLE SCOTT.EMP PURGE； After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）A、 the datafiles associated with the SYSTEM tablespaceB、 the datafiles associated to the DATA1 tablespaceC、 the datafiles associated to the SYSTEM and DATA1 tablespacesD、 all the datafiles in the database
考题
Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）A、the retention period to support flashbackB、the expected length of the longest-running queryC、the number of undo tablespaces in the databaseD、the size of the Flash Recovery Area for the database instance
考题
You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A、Start the instance and open the database， instance recovery automatically recoverscontrol filesB、Create a file based on the contents of the trace file and save it to the control file locations and start the databaseC、Re-create the database （The recovery of the control file is not possible because you have lost all the control files.）D、Start the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.E、Start the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
考题
Which two prerequisites are needed for performing workload capture and replay？（）A、Close all sessions performing queries using database linksB、running the database in shared server modeC、The database on which the workload is replayed has to be a restore of the original database to a specific SCND、setting up the directory to capture the workload
考题
Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee： SQL ALTER TABLESPACE undotbs1 RETENTION GUARANTEE; What effect would this statement have on the database？（）A、The extents in undo tablespace retain data until the next full database backup.B、The extents containing committed data in the undo tablespace are never overwritten.C、The extents which no longer contain uncommitted data in the undo tablespace are not overwritten for at least15 minutes.D、The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.
考题
You have a single Automatic Storage Management （ASM） instance running on the node on which your Oracle Database 10g resides. Which ASM instance initialization parameters must be included in the ASM instance initialization parameter file？（）A、 INSTANCE_TYPEB、 DB_UNIQUE_NAMEC、 ASM_DISKSTRINGD、 ASM_POWER_LIMIT
考题
You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A、Start the instance and open the database, instance recovery automatically recovers control files B、Create a file based on the contents of the trace file and save it to the control file locations and start the database C、Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) D、Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. E、Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
考题
Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started. Which tool or utility would you use to start the listener？（）A、 Oracle Net ManagerB、 Listener Control utilityC、 Database Configuration AssistantD、 Oracle Net Configuration Assistant
考题
You need to design the consolidation strategy for the Promotions and Partners databases. You want to choose a strategy that results in the best database performance while maintaining the permissions of end users in each database.What consolidation strategy should you choose？（）A、Place each database in a separate instance running on SQL2.B、Place each database in a separate instance running on SQL3.C、Place both databases in a single instance running on SQL2.D、Place both databases in a single instance running on SQL3.
考题
You are a database administrator for your company. Each night， you perform full backups of your SQL Server 2005 computer. During business hours， you perform hourly transaction log backups. You rebuild database indexes each night. You need to modify your backup strategy. You must ensure that the database recovers to a new server as quickly as possible. What should you do？（）A、Schedule the full backups to run after the nightly index is rebuilt.B、Schedule the full backup to run before the nightly index is rebuilt. Schedule a differential backup to run after the nightly index is rebuilt.C、Schedule an additional transaction log backup to run after the nightly index is rebuilt.D、Schedule a marker to be added to the transaction log before the nightly index is rebuilt.
考题
单选题You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A
Start the instance and open the database, instance recovery automatically recovers control files B
Create a file based on the contents of the trace file and save it to the control file locations and start the database C
Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) D
Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. E
Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
考题
单选题You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to， in order to determine the appropriate indexes？（）A
Memory AdvisorsB
Segment AdvisorsC
SQL Tuning and Access AdvisorsD
Automated Workload Repository （AWR）E
Automatic Database Diagnostic Monitor （ADDM）
考题
单选题Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement： SQL DROP TABLE SCOTT.EMP PURGE； After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）A
the datafiles associated with the SYSTEM tablespaceB
the datafiles associated to the DATA1 tablespaceC
the datafiles associated to the SYSTEM and DATA1 tablespacesD
all the datafiles in the database
考题
单选题The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings， workload profile， and statistics to diagnose the possible causes of the performance degradation？（）A
by using the SQL access advisorB
by using the Automatic Workload Repository reportC
by running the Automatic Database Diagnostic Monitor （ADDM）D
by using the Automatic Workload Repository Compare Period reportE
by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
考题
单选题Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started. Which tool or utility would you use to start the listener？（）A
Oracle Net ManagerB
Listener Control utilityC
Database Configuration AssistantD
Oracle Net Configuration Assistant
考题
单选题Your database instance is running.You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）A
Oracle Net ManagerB
Listener Control utilityC
Database Configuration AssistantD
Oracle Net Configuration Assistant
考题
单选题You are a database administrator for your company. Each night， you perform full backups of your SQL Server 2005 computer. During business hours， you perform hourly transaction log backups. You rebuild database indexes each night. You need to modify your backup strategy. You must ensure that the database recovers to a new server as quickly as possible. What should you do？（）A
Schedule the full backups to run after the nightly index is rebuilt.B
Schedule the full backup to run before the nightly index is rebuilt. Schedule a differential backup to run after the nightly index is rebuilt.C
Schedule an additional transaction log backup to run after the nightly index is rebuilt.D
Schedule a marker to be added to the transaction log before the nightly index is rebuilt.
考题
单选题You need to design the consolidation strategy for the Promotions and Partners databases. You want to choose a strategy that results in the best database performance while maintaining the permissions of end users in each database.What consolidation strategy should you choose？（）A
Place each database in a separate instance running on SQL2.B
Place each database in a separate instance running on SQL3.C
Place both databases in a single instance running on SQL2.D
Place both databases in a single instance running on SQL3.
考题
单选题You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A
Start the instance and open the database， instance recovery automatically recoverscontrol filesB
Create a file based on the contents of the trace file and save it to the control file locations and start the databaseC
Re-create the database （The recovery of the control file is not possible because you have lost all the control files.）D
Start the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.E
Start the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
考题
单选题After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: After changing the value, you notice that FULL redaction continues to redact numeric data with zero. What must you do to activate the new default value for numeric full redaction?（）A
Re-enable redaction policies that use FULL data redaction.B
Re-create redaction policies that use FULL data redaction.C
Re-connect the sessions that access objects with redaction policies defined on them.D
Flush the shared pool.E
Restart the database instance
考题
单选题You work as a database administrator for Certkiller .com. Your database is functional. One of the disks containing a mirrored redo log member has bad sectors in it. You are unable to fix the damaged file. How does the loss of a redo log member affect the instance of the database that is currently running？（）A
The instance would normally abort.B
The instance would not be affected.C
The instance would be invalid， so would have to be aborted.D
The instance would remain open， but the LGWR process would fail.E
The instance would remain open and would automatically create the missing file
考题
单选题You have a single Automatic Storage Management （ASM） instance running on the node on which your Oracle Database 10g resides. Which ASM instance initialization parameters must be included in the ASM instance initialization parameter file？（）A
INSTANCE_TYPEB
DB_UNIQUE_NAMEC
ASM_DISKSTRINGD
ASM_POWER_LIMIT
考题
多选题Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）AThe retention period to support flashbackBThe expected length of the longest-running queryCThe number of undo tablespaces in the databaseDThe size of the Flash Recovery Area for the database instance
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