单选题When performing a database duplication, which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location?()A log_file_name_convertB convert_log_file_nameC file_name_convert_logD redo_log_file_name_convertE logfile_convert_directory

单选题
When performing a database duplication, which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location?()
A

 log_file_name_convert

B

 convert_log_file_name

C

 file_name_convert_log

D

 redo_log_file_name_convert

E

 logfile_convert_directory


参考解析

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Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?() A. Creating the control file for the duplicate databaseB. Restoring the target data files to the duplicate databaseC. Performing complete recovery using all available backupsD. Generating a new, unique DBID for the duplicate databaseE. Copying the online redo log files from the target database to the duplicate database

You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database.   Which information is NOT required during the migration process?()A、 Database Identifier (DBID)B、 names and location of datafilesC、 names and location of control filesD、 names and location of online redo log files

You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance:   LOG_ARCHIVE_DEST 1 = ,,LOCATION=/disk1/arch MANDATORY’  LOG _ARCHIEVE_DEST 2 = ,,LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ,,LOCATION=/diSk3/arch  LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’  LOG_ARCHIVE_MIN-SUCCEED_DEST = 2   While the database instance is functional,you realized that the destination set by the  LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used.  What happens in an event of log switch?()  A、 The online redo log file Is not allowed to be overwritten.B、 The archived redo log files are written to the flash recovery area until the MANDATORY destination is made available.C、 The database instance will crash because the archived redo log file cannot be created in a destination set as MANDATORY.D、 The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log files are created in the next two available locations to guarantee archive log success.

You are working on the 24X7 database with high transaction volume, to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database?()A、The database performance would be enhanced.B、The redo log files would be get filled more frequently.C、The overall database performance would be degraded.D、The mean time to recover (MTTR) would be increased.

You are using Oracle Database 10g. You performed an  incomplete recovery of your database and opened the database with the RESETLOGS option.  What is the effect of opening the database with the RESETLOGS option?()A、This operation resets the SCN for the database.B、This operation creates a new incarnation of the database.C、This operation moves all the redo log files to a different location.D、This operation deletes the old redo log files and creates new redo log files.E、This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode?() A、 Database datafilesB、 Control filesC、 Archived redo logsD、 Online redo logsE、 Flashback logs

You configured the Flash Recovery Area for your database. The database instance has been started inARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set. What will be the implications onthe 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 Flash RecoveryArea implicitly.D、Archiving will be enabled and the location for the archive redo log file will be created in the default location$ORACLE_HOME/log.

You database is running an ARCHIVELOG mode. The following parameter are set in your database instance: LOG_ARCHIVE_FORMAT = arch+%t_%r.arc LOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST_SIZE = 50G DB_RECOVERY_FILE = ‘/u01/oradata’ Which statement is true about the archived redo log files?()A、They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.B、They are created only in the Fast Recovery Area.C、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.D、They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.

The database is being restored from a closed backup. The data files, control files, password file, and parameter file are available, but the online redo logs are not. Because the online redo logs are not available, you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation?()A、until SCNB、until timeC、until cancelD、using backup control file

When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()  A、 To indicate the location of the auxiliary-instance online redo logs.B、 To indicate the location of the target database datafiles.C、 To indicate the location of the auxiliary-instance control file and online redo logs.D、 To indicate the location of the auxiliary-instance database datafiles.E、 This is not a valid parameter when duplicating a database.

You are working as a DBA on Oracle Database 9i. You plan to upgrade your 9i database to Oracle 10g. To be familiar with the new database technology, you decide to install Oracle Database 10g on your workstation at home. You create a general purpose database.   After the installation, you make the following changes in your initialization parameter file:LOG_ARCHIVE_DEST_1=’LOCATION=USE_DB_RECOVERY_FILE_DEST’   DB_RECOVERY_FILE_DEST =    ’LOCATION=d:/product/10.1.0/flash_recovery_area’  DB_RECOVERY_FILE_DEST_SIZE=10g   Where are the archived redo logs stored for your database?()A、 The archived redo logs are stored in an operating system-dependent location.B、 The archived redo logs are stored in the location specified by LOG_ARCHIVE_DEST_1.C、 The archived redo logs are stored in the location specified by DB_RECOVERY_FILE_DEST.D、 The archived redo logs are stored in the locations specified by both LOG_ARCHIVE_DEST_1 and  DB_RECOVERY_FILE_DEST.

Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN) whileduplicating a running database? ()(Choose Two)A、Creating the control file for the duplicate databaseB、Restoring the target data files to the duplicate databaseC、Performing complete recovery using all available backupsD、Generating a new, unique DBID for the duplicate databaseE、Copying the online redo log files from the target database to the duplicate database

When performing a database duplication, which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location?()  A、 log_file_name_convertB、 convert_log_file_nameC、 file_name_convert_logD、 redo_log_file_name_convertE、 logfile_convert_directory

Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN) while duplicating a running database?()A、 Creating the control file for the duplicate databaseB、 Restoring the target data files to the duplicate databaseC、 Performing complete recovery using all available backupsD、 Generating a new, unique DBID for the duplicate databaseE、 Copying the online redo log files from the target database to the duplicate database

You configured automatic archive logging for the database. On the next startup the database runs for a while, but then hangs. After checking the alert log, you determine that all the online redo logs need archiving.  Which step was skipped when you set up automatic archive log?()A、LOG_ARCHIVE_DEST was not set in the parameter file.B、LOG_ARCHIVE_START was not set in the parameter file.C、alter database archivelog; was not executed in MOUNT mode.D、LOG_ARCHIVE_MAX processes were not set in the parameter file.

单选题You configured automatic archive logging for the database. On the next startup the database runs for a while, but then hangs. After checking the alert log, you determine that all the online redo logs need archiving.  Which step was skipped when you set up automatic archive log?()ALOG_ARCHIVE_DEST was not set in the parameter file.BLOG_ARCHIVE_START was not set in the parameter file.Calter database archivelog; was not executed in MOUNT mode.DLOG_ARCHIVE_MAX processes were not set in the parameter file.

单选题You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database.   Which information is NOT required during the migration process?()A Database Identifier (DBID)B names and location of datafilesC names and location of control filesD names and location of online redo log files

单选题You configured the Flash Recovery Area for your database. The database instance has been started inARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set. What will be the implications onthe archiving and the location of archive redo log files()AArchiving will be disabled because the destination for the redo log files is missing.BThe database instance will shut down and the error details will be logged in the alert log file.CArchiving will be enabled and the destination for the archived redo log file will be set to the Flash RecoveryArea implicitly.DArchiving will be enabled and the location for the archive redo log file will be created in the default location$ORACLE_HOME/log.

单选题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()AArchiving will be disabled because the destination for the redo log files is missing.BThe database instance will shut down and the error details will be logged in the alert log file.CArchiving will be enabled and the destination for the archived redo log file will be set to the FlashRecovery Area implicitly.DArchiving will be enabled and the location for the archive redo log file will be created in the defaultlocation $ORACLE_HOME/log.

单选题You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance:   LOG_ARCHIVE_DEST 1 = ,,LOCATION=/disk1/arch MANDATORY’  LOG _ARCHIEVE_DEST 2 = ,,LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ,,LOCATION=/diSk3/arch  LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’  LOG_ARCHIVE_MIN-SUCCEED_DEST = 2   While the database instance is functional,you realized that the destination set by the  LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used.  What happens in an event of log switch?()A The online redo log file Is not allowed to be overwritten.B The archived redo log files are written to the flash recovery area until the MANDATORY destination is made available.C The database instance will crash because the archived redo log file cannot be created in a destination set as MANDATORY.D The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log files are created in the next two available locations to guarantee archive log success.

单选题You database is running an ARCHIVELOG mode. The following parameter are set in your database instance: LOG_ARCHIVE_FORMAT = arch+%t_%r.arc LOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’ DB_RECOVERY_FILE_DEST_SIZE = 50G DB_RECOVERY_FILE = ‘/u01/oradata’ Which statement is true about the archived redo log files?()AThey are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.BThey are created only in the Fast Recovery Area.CThey are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.DThey are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.

单选题The database is being restored from a closed backup. The data files, control files, password file, and parameter file are available, but the online redo logs are not. Because the online redo logs are not available, you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation?()Auntil SCNBuntil timeCuntil cancelDusing backup control file

单选题You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database, you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files?()A Oracle Enterprise ManagerB The V$LOG viewC The V$LOGFILE viewD The V$FLASHBACK_DATABASE_LOGS view

单选题When performing a database duplication, which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location?()A log_file_name_convertB convert_log_file_nameC file_name_convert_logD redo_log_file_name_convertE logfile_convert_directory

单选题You are working as a DBA on Oracle Database 9i. You plan to upgrade your 9i database to Oracle 10g. To be familiar with the new database technology, you decide to install Oracle Database 10g on your workstation at home. You create a general purpose database.   After the installation, you make the following changes in your initialization parameter file:LOG_ARCHIVE_DEST_1=’LOCATION=USE_DB_RECOVERY_FILE_DEST’   DB_RECOVERY_FILE_DEST =    ’LOCATION=d:/product/10.1.0/flash_recovery_area’  DB_RECOVERY_FILE_DEST_SIZE=10g   Where are the archived redo logs stored for your database?()A The archived redo logs are stored in an operating system-dependent location.B The archived redo logs are stored in the location specified by LOG_ARCHIVE_DEST_1.C The archived redo logs are stored in the location specified by DB_RECOVERY_FILE_DEST.D The archived redo logs are stored in the locations specified by both LOG_ARCHIVE_DEST_1 and  DB_RECOVERY_FILE_DEST.

单选题When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()A To indicate the location of the auxiliary-instance online redo logs.B To indicate the location of the target database datafiles.C To indicate the location of the auxiliary-instance control file and online redo logs.D To indicate the location of the auxiliary-instance database datafiles.E This is not a valid parameter when duplicating a database.

单选题You are working on the 24X7 database with high transaction volume, to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database?()AThe database performance would be enhanced.BThe redo log files would be get filled more frequently.CThe overall database performance would be degraded.DThe mean time to recover (MTTR) would be increased.

单选题What will be the result of the following configuration?()   Log_archive_dest_1=location=c:/oracle/arch/mydb Log_archive_dest_2=location=z:/oracle/arch/mydbA An error will occur during database startup because the second parameter is not valid.B An error will occur during database startup since you are trying to create archived redo logs in two different locations.C Archived redo logs will be created in two different locations by the ARCH process.D Archived redo logs will be created in two different locations by the LGWR process.E Neither parameter setting is valid, so the database will not start up.