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单选题
You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday, at 9:00 a.m. the current log sequence number was 369. Also, on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file (sequence number 356) that contained redo entries between 8:00 a.m. and 8.30 a.m. With reference to this scenario, what would you do to recover the database?()
A

 Restore all the data files from last Sunday’s backup, and then perform a time-based recovery.

B

 Restore all the data files from last Sunday’s backup, and then perform a cancel-based recovery.

C

 Restore all the data files from last Sunday’s backup, and then perform a change-based recovery.

D

 Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup, and then perform a complete recovery.


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更多 “单选题You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday, at 9:00 a.m. the current log sequence number was 369. Also, on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file (sequence number 356) that contained redo entries between 8:00 a.m. and 8.30 a.m. With reference to this scenario, what would you do to recover the database?()A  Restore all the data files from last Sunday’s backup, and then perform a time-based recovery.B  Restore all the data files from last Sunday’s backup, and then perform a cancel-based recovery.C  Restore all the data files from last Sunday’s backup, and then perform a change-based recovery.D  Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup, and then perform a complete recovery.” 相关考题
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考题 单选题You are maintaining your database in ARCHIVELOG mode. An important table, SCOTT.EMPLOYEE, is dropped and purged from the Recycle Bin on Monday at 2:00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9:00 P.M. on Sunday.  How will you recover the dropped table, SCOTT.EMPLOYEE?()A  by using the Flashback Table featureB  by using the Flashback Database featureC  by performing incomplete recovery using RMAN utilityD  by performing incomplete recovery using user-managed recovery

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考题 多选题You are maintaining a database that is in ARCHIVELOG mode. You have configured the flash recovery area in your database. The database is in MOUNT EXCLUSIVE mode, and you want to configure the Flashback Database feature. Which two options are NOT required to configure the Flashback Database feature? ()AOpen the database in read-only mode.BSet the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.CEnable the block change tracking feature.DExecute the ALTER DATABASE FLASHBACK ON statement.

考题 多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this?()AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.

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 ARCHIVELOG mode and the tablespace is online.CThe database is in ARCHIVELOG mode and the tablespace is offline.DThe database is in NOARCHIVELOG mode and the tablespace is online.EThe database is in NOARCHIVELOG mode and the tablespace is offline.

考题 单选题Which is the correct command to put the database in ARCHIVELOG mode?()A  alter database archivelogB  alter system enable archivelog modeC  alter database enable archiveD  alter database archivelog enableE  None of the above

考题 单选题Your boss at Certkiller .com wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups?()A The database is in mount state.B One of the tablespaces is offline.C One of the tablespaces is read only.D The database operates in ARCHIEVELOG mode.E The database operates in NOARCHIEVELOG mode.

考题 单选题If you issue the command shutdown abort prior to trying to put the database in ARCHIVELOG mode, what will be the result when you issue the command alter database archivelog?()A  The alter database archivelog command will failB  The alter database archivelog inconsistent command must be used to put the database in ARCHIVELOG modeC  The alter database archivelog command will succeedD  The alter database archivelog command will ask if you want to make the database consistent firstE  There is no alter database archivelog command. The correct command is alter database alterlogging

考题 多选题In which two cases would you perform only consistent backup?()AYou are working on a database where downtime is not tolerated.BYou are working on a database where downtime can be tolerated.CYou are working on a database that operates in ARCHIVELOG mode.DYou are working on a database that operates in NOARCHIVELOG mode.EYou are working on a database where all the tablespaces are locally managed.FYou are working on a database where control files and redo log files are multiplexed.GYou are working on a database where control files and redo log files are not multiplexed.