Which background process coordinates the rebalance activity for disk groups？（）

A、 ORBn

B、 OSMB

C、 RBAL

D、 ASMn

相关问题推荐

• In what order would you execute the following steps to create a recovery catalog？（） a.Issue the create catalog command.  b.Create the recovery-catalog database.  c.Create the recovery-catalog user.  d.Grant the recovery_catalog_owner privilege to the recovery-catalog user.  e.Issue the register database command from the target database.

  A、a，b，c，d，e

  B、b，a，d，c，e

  C、b，c，d，a，e

  D、b，c，d，e，a

  E、b，d，c，a，e

  查看答案

• Examine the following command used to perform incremental level 0 backup：   RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE；   To enable the block change tracking， after the incremental level 0 backup you issued the following command：   SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’；To perform incremental level 1 cumulative backup， you issued the following command：   RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE；   Which two statements are true in the above situation？（）

  A

   The block change tracking data will be used only from the next incremental 0 backup.

  B

   The incremental backup will use change tracking data for accomplishing the backup.

  C

   The incremental backup will not use change tracking data for accomplishing the backup.

  D

   The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

  查看答案

• You are working on a CATDB database that contains an Oracle Database version 11.1 catalog schema owned by the user RCO11. The INST1 database contains an Oracle Database version 10.1 catalog schema owned by the user RCAT10.  You want the RMAN to import metadata for database IDs 1423241 and 1423242， registered in RCAT10， into the recovery catalog owned by RCO11. You also want to deregister them from the catalog after import. You executed the following commands to achieve this：   RMAN> CONNECT CATALOG rco11/password@catdb  RMAN> IMPORT CATALOG rcat10/oracle@inst1 DBID=1423241，1423242；   What happens if the RCO11 catalog has scripts with the same name as that of the scripts in RCAT10 catalog？（）

  A、 The scripts in the RCO11 catalog are overwritten.

  B、 RMAN renames the local stored scripts in the RCO11 catalog.

  C、 The RMAN session in which the command is executed aborts.

  D、 RMAN renames the global scripts that are imported from the RCAT10 catalog.

  查看答案

• 关于曼彻斯特编码，下面叙述中错误的是(14)。

  A．曼彻斯特编码是一种双相码

  B．采用曼彻斯特编码，波特率是数据速率的2倍

  C．曼彻斯特编码可以自同步

  D．曼彻斯特编码效率高

  查看答案

• How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）  

  A、 Issue the grant command from the SYS user （or equivalent） of the target database.

  B、 Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database.

  C、 Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog.

  D、 Issue the grant command from RMAN when connected to the recovery catalog-owning schema.

  E、 Issue the grant command from RMAN when connected to the target database.

  查看答案