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单选题
In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）
A
Oracle Migration Assistant
B
Recovery Manager （RMAN）
C
Oracle Data Pump Export and Import
D
conventional Oracle Export and Import
E
operating system utilities to copy the files to the ASM instance
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更多 “单选题In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）A Oracle Migration AssistantB Recovery Manager （RMAN）C Oracle Data Pump Export and ImportD conventional Oracle Export and ImportE operating system utilities to copy the files to the ASM instance” 相关考题
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多选题You set the value of the SGA_TARGET initialization parameter to 1G to enable Oracle to automatically resize most of the memory components according to the current workload in the database. You issue the following statement： SQL SELECT name， value， isdefault 2 FROM v$parameter 3 WHERE name LIKE ’%size%’； The output of this statement displays that the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters contain a zero value. What does this imply？（）AThe SGA_TARGET initialization parameter cannot be set to a value less than 1GBThe SGA_TARGET initialization parameter cannot be set to a value greater than 1GCThe Memory Advisor of the Oracle Enterprise Manager 10g cannot be used to obtain advice on the important memory components of the SGADThe values of the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters cannot be set manually.ENo minimum limits are imposed on the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters.FThe Automatic Shared Memory Management feature cannot be disabled unless you specify values for the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters in the initialization parameter file.
考题
单选题You issue the following RMAN command to set a retention policy on a database： RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of the above command？（）A
After two days， the backup will be marked obsolete.B
After two days， the backup will be deleted from the media.C
If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media.D
If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.
考题
多选题An RMAN backup job fails， displaying the following error： ORA-19809： limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in the future？ （）Atake the backup of the flash recovery area less frequentlyBincrease the value of the UNDO_RETENTION initialization parameterCchange the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTODchange the backup retention policy to retain the backups for a smaller period of timeEincrease the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameterFincrease the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
考题
多选题In your production database， you observe that users’ transactions are consuming a lot of resources and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager？（）ACPU usageBdegree of parallelismCnumber of open cursorsDnumber of sorts performedEidle time for blocking sessionsFnumber of disk I/O operations performedGnumber of memory I/O operations performed
考题
单选题You are maintaining an OLTP database in Oracle10g. You find that the database is generating a large number of trace files. You decide to disable the trace files generated by the ARCn background process. Which action will enable you to disable the trace files generated by the ARCn background process？（）A
Remove the LOG_ARCHIVE_DEST parameter from the init.ora file.B
Set the value of the SQL_TRACE parameter to FALSE in the init.ora file.C
Use the DBMS_MONITOR.SESSION_TRACE_DISABLE procedure.D
Set the value of the LOG_ARCHIVE_TRACE initialization parameter to zero.
考题
多选题In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON； Which two events would cause the control file to be backed up automatically？ （）AA tablespace is taken offline.BThe database instance is restarted.CA new data file is added to an existing tablespace.DA successful backup is recorded in the RMAN repository.EThe RMAN connection is disconnected from the target database.
考题
单选题You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup metadata information. You want to enable the reusable section of the control file to expand itself if the oldest record cannot be reused， and whenever a new record is added to the reusable section of the control file. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME parameter？（）A
ZeroB
One or moreC
NONED
DEFAULT
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You lost the PRODSTD tablespace， which was read-only. The tablespace was read-only when the last backup was taken. How would you recover the tablespace？（）A
restore the tablespace from the backup， and then perform an incomplete recoveryB
restore the tablespace from the backup， and then apply all the redo informationC
restore all the data files in the database， and then perform an incomplete recoveryD
restore the tablespace from the backup
考题
单选题You are working on a database， where you have three redo log groups. When the database is down for a backup， an operating system （OS） user deletes all the redo log files in a group. What will happen when you open your database？（）A
The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.B
Before the instance starts， you receive an error about the missing redo log files of a group.C
The instance starts and the database opens with an error message written to the alert log file.D
The instance starts and the database opens because two redo log groups still exist.E
The instance starts and the database opens， but every attempt to write to redo log files fails with an error.
考题
单选题You lost the index tablespace in your database. You are not able to use tablespace point-in-time recovery on the index tablespace. What could be the reason for this？（）A
The index tablespace contains bitmap indexes.B
The index tablespace contains more than one data file.C
The index tablespace supports only complete recovery.D
The index tablespace is not a dictionary-managed tablespace.E
There is a dependency relationship between a table and its indexes.
考题
多选题You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN BACKUP TABLESPACE DETTBS； Under which conditions would this command execute successfully？ （）AThe database is in NOMOUNT state.BThe database is in NOARCHIVELOG mode and the tablespace is online.CThe database is in NOARCHIVELOG mode and the tablespace is offline.DThe database is in ARCHIVELOG mode and the tablespace is offline.EThe database is in ARCHIVELOG mode and the tablespace is online.
考题
多选题You want to use the SQL Tuning Advisor to generate recommendations for badly written SQL statements in your development environment. Which three sources can you select for the advisor to analyze？（）ATop SQLBsnapshotsCSQL Tuning setsDindex access pathEoptimizer statisticsFmaterialized view logs
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单选题View the Exhibits. You performed operations on the DEPT4 table as shown in the Exhibit. When you perform the FlashbackVersions Query， you find that the first two updates are not listed. What could be the reason？（）A
The row movement is not enabled on the table.B
The first two updates were not explicitly committed.C
The Flashback Versions Query lists only the most recent update.D
The Flashback Versions Query stops producing rows after it encounters a time in the past when the table structure was changed.
考题
单选题Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available.What would you do in this scenario？（）A
recovery cannot be performed because a backup was not performed after the last incomplete recoveryB
restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayC
restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on SundayD
restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday
考题
单选题You want an ASM instance to manage the files of your database. To achieve this objective， you specify the following parameters in the parameter file of the database： INSTANCE_TYPE = RDBMS DB_NAME = PROD LARGE_POOL_SIZE = 8MB DB_BLOCK_SIZE = 4K LOG_ARCHIVE_DEST = +dgroupA LOG_ARCHIVE_FORMAT = "$ORACLE_SID_%s_%t.%t" DB_CREATE_FILE_DEST = +dgroupA COMPATIBLE = 10.1.0.2.0 CONTROL_FILES = +dgroupA Which parameter would be ignored while starting up the instance for the database PROD？（）A
DB_BLOCK_SIZEB
CONTROL_FILESC
LARGE_POOL_SIZED
LOG_ARCHIVE_DESTE
LOG_ARCHIVE_FORMATF
DB_CREATE_FILE_DEST
考题
单选题Which of the following options is true about shutting down an Automatic Storage Management （ASM） instance？（）A
If the SHUTDOWN IMMEDIATE command is issued to the ASM instance， the ASM instance immediately shuts down.B
If the SHUTDOWN ABORT command is issued to the ASM instance， the ASM instance will shut down all the database instances and then shut down immediately.C
If the SHUTDOWN NORMAL command is issued to the ASM instance， before shutting down， the ASM instance waits for the dependent database instances to shut down.D
If the SHUTDOWN TRANSACTIONAL command is issued to the ASM instance， the ASM instance passes the same SHUTDOWN command to the dependent database instances， but does not wait for any active transactions to complete before it shuts down.
考题
单选题The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）A
These are the data files that are corrupted.B
There is no SYSAUX tablespace in your databaseC
There is a read-only tablespace in your database.D
These are the data files that cannot be recovered.
考题
单选题At 10：30 A.M.， you ran a batch job by mistake， which executed a transaction in the database. The transaction identifier of the transaction that made to the changes in the database is 0500A00627B000. At 11：10 A.M.， you stopped the batch job. Now， you want to identify the changes made to the database tables by the batch job. Which view will you query？（）A
DBA_PENDING_TRANSACTIONSB
DBA_AUDIT_STATEMENTC
V$FLASHBACK_DATABASE_STATSD
FLASHBACK_TRANSACTION_QUERY
考题
单选题You are using Resource Manager to manage system resources. While creating a new database user， you observe that the user is a member of DEFAULT_CONSUMER_GROUP by default. What would be the implications of this？（）A
The Resource Manager plan does not affect the user.B
There must be a plan directive in any of the plans of the group to control the resources.C
The members of the group DEFAULT_CONSUMER_GROUP always have resource restrictions.D
The members of DEFAULT_CONSUMER_GROUP are restrained from accessing the system tables.E
The members of this group can change their group without the database administrator’s intervention.
考题
多选题You are enabling the Automatic Shared Memory Management feature in the Oracle Database 10g to ensure that the important memory structures of the System Global Area （SGA） are automatically adjusted depending on the database workload. You are using Enterprise Manager 10g to enable this feature. You are currently on the Administration tab page. Which two links should you click to go to the Memory Advisor page？（）AAdvisor CentralBGlobal AttributesCResource MonitorsDMemory ParametersEDatabase Usage StatisticsFAll Initialization ParametersGAutomatic Workload Repository
考题
多选题For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？ （）ARMAN image copiesBRMAN database backupsCRMAN tablespace backupsDusermanaged backups placed in the flash recovery areaEusermanaged backups that have been cataloged with RMANFusermanaged data file backups for which the full path name is specified
考题
单选题You execute the following command to perform a backup by using Recovery Manager （RMAN）： RMAN run {allocate channel c1 type sbt; backup datafile 1; } The command errors out. A part of the error message is as follows： RMAN/x7f03009： failure of allocate command on c1 channel ORA/x7f19554： error allocating device， device type： SBT_TAPE， device name： What could explain why the statement failed？（）A
sbt is not a valid device type.B
Media Management Library was not loaded.C
The sbt device cannot be used for data file backups.D
No path was defined in the ALLOCATE CHANNEL command.E
The channel is currently being used by another RMAN session.
考题
多选题Immediately after adding a new disk to or removing an existing disk from an Automatic StorageManagement （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）Aincrease the number of checkpoint processesBdefine the POWER option while adding or removing the disksCincrease the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSESDincrease the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVESEincrease the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal process
考题
单选题You have created an Oracle 10g database named SALES， which will be used by an application named SalesOrders. Users of the SalesOrders application complain that application response time is slow when they generate reports. The SalesOrders application accesses a table that contains 10 million rows. You decide to create an index on this table using the NOLOGGING option so that the index creation process is completed in the least amount of time. Which of the following is NOT true about an index created with the NOLOGGING option？（）A
The index can be changed from NOLOGGING to LOGGINGB
The index cannot be recovered even in the ARCHIVELOG mode.C
The index can only be created if the base table is created with the NOLOGGING option.D
The index can be recovered if you perform a backup after the CREATE INDEX statement.
考题
单选题You are using Oracle Enterprise Manager to estimate the size of a table to be created. You have typed data regarding the column names， data types， sizes of the columns， and the projected number of rows in the table. Which additional information does the Oracle Enterprise Manager return？（）A
space allocated in the tablespaceB
space required for the bitmap index on a column of the tableC
space remaining in the tablespace after creating the tableD
estimated value of the PCTFREE storage parameter
考题
单选题You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）A
Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B
Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C
Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D
Increase the value of the SGA_TARGET initialization parameter.
考题
单选题You are managing an Oracle Database 10g database that uses Oracle Managed Files （OMF）. You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true？（）A
One block change tracking file is created for each data file. By default， the file is created in DB_CREATE_FILE_DEST.B
One block change tracking file is created for each data file. By default， the file is created in BACKGROUND_DUMP_DEST.C
One block change tracking file is created for the database. By default， the file is created in DB_CREATE_FILE_DEST.D
One block change tracking file is created for the database. By default， the file is created in BACKGROUND_DUMP_DEST.
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