单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup？（）A AB BC CD D
单选题
You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup？（）
A
A
B
B
C
C
D
D
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The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command?（）A. You should perform a log switchB. You should make a backup of the databaseC. You should switch the database to the NONARCHIVELOG modeD. You should shut down the database instance and perform a complete database recovery
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains oneredo member. When you attempt to start the database, you receive the following errors:ORA-00313: open failed for members of log group 1 of thread 1ORA-00312: online log 1 thread 1: ‘D:\REDO01.LOG‘You discover that the online redo log file of the current redo group is corrupted.Which statement should you use to resolve this issue?（）A. ALTER DATABASE DROP LOGFILE GROUP 1;B. ALTER DATABASE CLEAR LOGFILE GROUP 1;C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;D. ALTER DATABASE DROP LOGFILE MEMBER ‘D:\REDO01.LOG
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）A、ALTER DATABASE DROP LOGFILE GROUP 1;B、ALTER DATABASE CLEAR LOGFILE GROUP 1;C、ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;D、ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）A、Flashback log filesB、Backups that have become obsoleteC、User managed backups of the data files and control filesD、Archived redo log files that have multiple copies in a different archive location and not backed up
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（） A、 You should perform a log switchB、 You should make a backup of the databaseC、 You should switch the database to the NONARCHIVELOG modeD、 You should shut down the database instance and perform a complete database recovery
You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）A、Enable the flash recovery area and specify it as the archived redo log destination.B、Disable the flash recovery area and start the database instance in ARCHIVELOG mode.C、Enable the flash recovery area but do not specify it as the archived redo log destination.D、Disable the flash recovery area and start the database instance in NOARCHIVELOG mode
You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）A、Enable the flash recovery area and specify it as the archived redo log destination.B、Disable the flash recovery area and start the database instance in ARCHIVELOG mode.C、Enable the flash recovery area but do not specify it as the archived redo log destination.D、Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.
Which two statements are true regarding the database in ARCHIVELOG mode？（）A、You have to shut down the database to perform the backups.B、Archiving information is written to the data files and redo log files.C、You can perform complete database backups without closing the database.D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files， created in an earlier incarnation of the database，is true？（）A、 The archived redo log files will be overwritten.B、 The archived redo log files are deleted automatically.C、 The archived redo log files should be moved to some other location.D、 The archived redo log files are still maintained because the file names are unique.
As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（） A、 Shut down the databaseB、 Clear the online redo logC、 Back up the databaseD、 Checkpoint the databaseE、 Call Oracle support
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）A、Database Datafiles B、Database Control Files C、Online redo logsD、Archived redo logs E、The database SPFILE F、None of the above, all these files are backed up.
You configured the Flash Recovery Area （FRA） for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which two files are removed automaticallyif the space is required in the FRA as per the retention policy（）A、flashback log filesB、backups that have become obsoleteC、copies of the data files and control filesD、archived redo log files that have multiple copies in a different archive location and not backed up
In your production database， you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation， you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members. Which two actions would you take to improve the performance of the database server？ （）A、increase the size of the redo log bufferB、increase the number of redo log groupsC、increase the number of log writer processesD、increase the number of ARCn processesE、change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location
You configured the Flash Recovery Area for your database. The database instance has been startedin ARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set. What will be the implications on the archiving and the location of archive redo log files（）A、Archiving will be disabled because the destination for the redo log files is missing.B、The database instance will shut down and the error details will be logged in the alert log file.C、Archiving will be enabled and the destination for the archived redo log file will be set to the FlashRecovery Area implicitly.D、Archiving will be enabled and the location for the archive redo log file will be created in the defaultlocation $ORACLE_HOME/log.
Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database， you receive the following errors： ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’D:///REDO01.LOG’ You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue？（）A、 SQLALTER DATABASE DROP LOGFILE GROUP 1；B、 SQLALTER DATABASE CLEAR LOGFILE GROUP 1；C、 SQLALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1；D、 SQLALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’；
多选题In your production database， you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation， you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members. Which two actions would you take to improve the performance of the database server？ （）Aincrease the size of the redo log bufferBincrease the number of redo log groupsCincrease the number of log writer processesDincrease the number of ARCn processesEchange the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location
多选题You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（）AFlashback log filesBBackups that have become obsoleteCUser managed backups of the data files and control filesDArchived redo log files that have multiple copies in a different archive location and not backed up
多选题You configured the Flash Recovery Area （FRA） for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which two files are removed automaticallyif the space is required in the FRA as per the retention policy（）Aflashback log filesBbackups that have become obsoleteCcopies of the data files and control filesDarchived redo log files that have multiple copies in a different archive location and not backed up
单选题As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）A Shut down the databaseB Clear the online redo logC Back up the databaseD Checkpoint the databaseE Call Oracle support
单选题You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files， created in an earlier incarnation of the database，is true？（）A The archived redo log files will be overwritten.B The archived redo log files are deleted automatically.C The archived redo log files should be moved to some other location.D The archived redo log files are still maintained because the file names are unique.
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）AYou should perform a log switchBYou should make a backup of the databaseCYou should switch the database to the NONARCHIVELOG modeDYou should shut down the database instance and perform a complete database recovery
单选题Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）AALTER DATABASE DROP LOGFILE GROUP 1;BALTER DATABASE CLEAR LOGFILE GROUP 1;CALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;DALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
单选题You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）AEnable the flash recovery area and specify it as the archived redo log destination.BDisable the flash recovery area and start the database instance in ARCHIVELOG mode.CEnable the flash recovery area but do not specify it as the archived redo log destination.DDisable the flash recovery area and start the database instance in NOARCHIVELOG mode.
单选题You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）A Enable the flash recovery area and specify it as the archived redo log destination.B Disable the flash recovery area and start the database instance in ARCHIVELOG mode.C Enable the flash recovery area but do not specify it as the archived redo log destination. D Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.
单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup？（）A AB BC CD D
单选题Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database， you receive the following errors： ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’D:///REDO01.LOG’ You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue？（）A SQLALTER DATABASE DROP LOGFILE GROUP 1；B SQLALTER DATABASE CLEAR LOGFILE GROUP 1；C SQLALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1；D SQLALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’；
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A You should perform a log switchB You should make a backup of the databaseC You should switch the database to the NONARCHIVELOG modeD You should shut down the database instance and perform a complete database recovery
单选题You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup？（）A Database DatafilesB Database Control FilesC Online redo logsD Archived redo logsE The database SPFILEF None of the above，all these files are backed up