单选题You executed the following command in the Recovery Manager (RMAN): RMAN> REPORT NEED BACKUP days 3; What is the output of this command?（）A A list of files that require a backup within 3 daysB A list of files requiring more than 3 days of archivelogs to

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单选题

You executed the following command in the Recovery Manager (RMAN): RMAN> REPORT NEED BACKUP days 3; What is the output of this command?（）

A list of files that require a backup within 3 days

A list of files requiring more than 3 days of archivelogs to apply

A list of files that RMAN recommends be backed up only once in every three days, based on low volatility

A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

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第1题：

You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：RMAN> REPORT NEED BACKUP days 3；What would be the output of this command？（）

A、 a list of files that require a backup within three days
B、 a list of files that have not been backed up for three days
C、 a list of files that RMAN recommends be backed up only once in every three days， based on low volatility
D、 a list of files for which a backup has already been performed and may need a backup after three days

正确答案:B

第2题：

The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN> REPORT OBSOLETE； What would you see in the output？（）

A、 a list of all those files that have been deleted in the last two days
B、 a list of all those files that have been recovered within the last two days
C、 a list of all the expired backups and copies
D、 a list of backups and copies that are outside the range covered by the current retention policy

正确答案:D

第3题：

View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN> REPAIR FAILURE;Which statement describes the consequence of the command?（）

A. The command performs the recovery and closes the failures.

B. The command only displays the advice and the RMAN script required for repair.

C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.

D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).

参考答案：C

第4题：

You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）

A、 target database
B、 auxiliary database
C、 third-party database
D、 recovery catalog database

正确答案:C

第5题：

You defined the Recovery Manager （RMAN） retention policy to recovery window of 7 days by executing the following command： RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS； When a backup is performed， what would be the status of this backup after seven days？（）

A、 The backup would be marked as invalid.
B、 The backup would be marked as obsolete.
C、 The backup would be removed from the media.
D、 The backup would be removed from the RMAN repository.

正确答案:B

第6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？（）

A、The database is in NOMOUNT state.
B、The database is in ARCHIVELOG mode and the tablespace is online.
C、The database is in ARCHIVELOG mode and the tablespace is offline.
D、The database is in NOARCHIVELOG mode and the tablespace is online.
E、The database is in NOARCHIVELOG mode and the tablespace is offline.

正确答案:B,C,E

第7题：

You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）

A、 The location can be changed only if the flash recovery area is empty.
B、 After executing the command， all new flash recovery area files will be created in the new location.
C、 The command will generate an error because you cannot change the flash recovery area while the database is open.
D、 All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.

正确答案:B

第8题：

You executed the following command to perform a backup of the USERS tablespace： SQL> ALTER TABLESPACE users BEGIN BACKUP； ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1： ORA-01123： cannot start online backup； media recovery not enabled What could be the reason for this error（）

A、The MTTR Advisor is disabled.
B、The database is in NOARCHIVELOG mode.
C、The tablespace is already in backup mode.
D、The Flash Recovery Area is not configured.

正确答案:B

第9题：

You disabled the Flashback Database feature by using the following command： SQL> ALTER DATABASE FLASHBACK OFF； What would be the effect of this command on the existing flashback logs？（）

A、 Flashback logs are not deleted.
B、 Flashback logs are deleted automatically.
C、 Flashback logs are deleted only if you are using Recovery Manager （RMAN）
D、 Flashback logs are deleted only if you are using Oracle Manager Files （OFM）
E、 Flashback logs are deleted only if you are using Automatic Storage Management （ASM）

正确答案:B

第10题：

You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup？（）

A、by using the trace file
B、by using the alert log file
C、by using the database ID
D、by using the server parameter file
E、by using the V$CONTROLFILE view
F、by using the autobackup format configuration setting

正确答案:C,F

You executed the following command in the Recovery Manager (

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