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Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data0

题目
单选题
Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）
A

RESTORE DATAFILE ’/DISK2/user_data01.dbf’

B

RESTORE DATAFILE ’/DISK3/user_data01.dbf’

C

SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’

D

SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?（）

A. Implement RMAN multiplexing

B. Set the DEBUG ON in the RMAN script

C. Specify the command ID in the RMAN script

D. Use a tag with the RMAN BACKUP command


参考答案：C

第2题：

What does the minimize load database parameter mean when backing up a database?（）

  • A、RMAN will attempt to make the backup run as fast as possible without any IO limitations. 
  • B、RMAN will automatically restrict the number of channels in use to one. 
  • C、RMAN will spread the backup IO over the total duration stated in the backup command.
  • D、RMAN will skip any datafile that currently is involved in an IO operation. RMAN will retry backing up the datafile later and an error will be raised at the end of the backup if the datafile cannot be backed up. 
  • E、Datafiles will be backed up; those having the lowest current number of IO operations will be backed up first. 

正确答案:C

第3题：

Examine the following RMAN command:RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?()

A. Provide a password for the encryption

B. Set up an Oracle wallet for the encryption

C. No setup is required as it is a default encryption method

D. Both Oracle wallet and password must be set up for the encryption


参考答案：B

第4题：

You configured the default backup device type as disk for RMAN backups. In your database，because of business requirements，you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.  What must you set using the RMAN CONFIGURE command to achieve this？（）  

  • A、 MAXSETSIZE TO 2
  • B、 DEVICE TYPE DISK PARALLELISM 2
  • C、 RETENTION POLICY TO REDUNDANCY 2
  • D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2

正确答案:C

第5题：

Examine the following RMAN command：   RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON； RMAN> BACKUP DATABASE PLUS ARCHIVELOG；   Which prerequisite must be met before accomplishing the backup？（）

  • A、 Provide a password for the encryption
  • B、 Set up an Oracle wallet for the encryption
  • C、 No setup is required as it is a default encryption method
  • D、 Both Oracle wallet and password must be set up for the encryption

正确答案:B

第6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7题：

What does the output on this report indicate？（）   RMAN> report need backup；  RMAN retention policy will be applied to the command  RMAN retention policy is set to redundancy 1  Report of files with less than 1 redundant backups  File #bkps Name  5 0 C:///ORACLE/ORADATA/ORCL/MY_DATA_01.DBF  

  • A、 The my_data_01.dbf datafile is corrupted and needs to be restored.
  • B、 The my_data_01.dbf datafile has not yet been backed up. This report does not imply that the data in the datafile can not be recovered.
  • C、 The my_data_01.dbf datafile has not yet been backed up. This report implies that the data in the datafile can not be recovered.
  • D、 The my_data_01.dbf datafile no longer meets the retention criteria for backups.
  • E、 Datafile 5 is missing.

正确答案:B

第8题：

View the Exhibit and examine the output.You execute the following RMAN command to perform the backup operation:What is the multiplexing level in the preceding backup process()

A. 4

B. 8

C. 7

D. 0


参考答案：A

第9题：

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

  • A、 when you change the name of a datafile
  • B、 when you drop a table from the database
  • C、 when you take an export of the database
  • D、 when you back up the database using OS utilities
  • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
  • F、 when you issue a BACKUP command from inside the RMAN run block

正确答案:A,E,F

第10题：

In Recovery Manager （RMAN）， you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task， you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the datafile by using the image copy. You could perform the following steps to accomplish this：   1） Mount the database  2） Take the data file offline  3） Bring the data file online  4） Use the RMAN SWITCH TO command to switch the image copy  5） Apply the archived redo logs  6） Open the database  7） Use the RMAN RESTORE TO command to switch to the image copy   Which two options illustrate the correct sequence of steps that you could follow？（）

  • A、 2， 6， 4， 5， 3
  • B、 1， 2， 4， 5， 3， 6
  • C、 1， 2， 4， 6， 3
  • D、 1， 2， 7， 5， 3， 6

正确答案:B,D

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