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You are working on a 24x7 （available 24 hours per day， 7 days per week） production database. An operating system （OS） user deletes the alert log file accidentally. Which statement in this scenario is true？（）
- A、The database crashes.
- B、The DBA needs to re-create the file.
- C、The file gets re-created automatically.
- D、The file gets restored automatically from the last backup.
- E、The DBA needs to perform a complete database recovery.
- F、The DBA needs to perform an incomplete database recovery.
参考答案
更多 “You are working on a 24x7 （available 24 hours per day， 7 days per week） production database. An operating system （OS） user deletes the alert log file accidentally. Which statement in this scenario is true？（）A、The database crashes.B、The DBA needs to re-create the file.C、The file gets re-created automatically.D、The file gets restored automatically from the last backup.E、The DBA needs to perform a complete database recovery.F、The DBA needs to perform an incomplete database recovery.” 相关考题
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You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）A、The backup status will be marked expired in RMAN recovery catalog.B、The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C、The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery cataloglD、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.E、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.
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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.
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You have an Automatic Storage Management （ASM） instance managing the database files of your production database. The database contains ASM files and non/x7fASM files. Using Recovery Manager （RMAN）， you migrate the complete production database to use the ASM instance. Which statement is true？（）A、RMAN would relocate all the database files to an ASM disk group.B、RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.C、RMAN would relocate all the data files to an ASM disk group and other files to an operating system location， defined using Oracle Managed Files （OMF）.D、RMAN would relocate the ASM files to an ASM disk group and the nonASM files to an operating system location， defined using OMF
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多选题You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）AYou can perform consistent backups only.BYou can perform a complete database backup without shutting down the database instance.CYou can back up data files only when all data files have the same SCN recorded in the control file.DYou can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands
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单选题You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A
to enable operating system authentication for a remote clientB
to restrict the scope of administration to identical operating systemsC
to allow the start up and shut down of the database from a remote clientD
to enable the administration of the operating system from a remote clientE
to disable the administration of the operating system from a remote client
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单选题You are working on the Certkiller database. What is the default name of the alert log file in this database？（）A
alert_ Certkiller .logB
alertlog_ Certkiller .logC
alert_log_ Certkiller .logD
Certkiller _alert_log.logE
log_alert_： Certkiller .logF
trace_alert_ Certkiller .log
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单选题Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）A
user-managed backups.B
partial database backups.C
consistent database backups.D
inconsistent database backups.
考题
单选题You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）A
online redo log filesB
alert log filesC
control fileD
datafiles associated with the SYSTEM tablespace
考题
单选题Because of hardware failure， you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file？（）A
The redo log file should belong to an active group.B
The redo log file should belong to an inactive group.C
The redo log file should belong to the current group.D
The redo log file can be dropped only if all the transactions are stopped.E
Before a redo log file is dropped， it should be deleted from the operating system （OS）.
考题
多选题You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）AYou can perform consistent backups only.BYou can perform a complete database backup without shutting down the database instance.CYou can back up data files only when all data files have the same SCN recorded in the control file.DYou can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.
考题
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace, it must be in backup modeD
To back up a tablespace, it must first be taken offline
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 work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）A
The backup status will be marked expired in RMAN recovery catalog.B
The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C
The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery cataloglD
The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.E
The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.
考题
单选题You are working on a 24x7 （available 24 hours per day， 7 days per week） production database. An operating system （OS） user deletes the alert log file accidentally. Which statement in this scenario is true？（）A
The database crashes.B
The DBA needs to re-create the file.C
The file gets re-created automatically.D
The file gets restored automatically from the last backup.E
The DBA needs to perform a complete database recovery.F
The DBA needs to perform an incomplete database recovery.
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