多选题Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）ADefine the POWER option while adding or removing the disksBIncrease the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.CIncrease the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSESDIncrease the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
多选题
Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）
A
Define the POWER option while adding or removing the disks
B
Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.
C
Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D
Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
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多选题Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）Aincrease the number of checkpoint processesBdefine the POWER option while adding or removing the disksCincrease the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSESDincrease the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVESEincrease the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal
单选题Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage. Which statement is true about migrating from non-ASM disk storage to ASM disk storage？（）A You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.B You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.C You can use the SWITCH DATABASE TO COPY Recovery Manager （RMAN） command to switch back to non-ASM disk storage if you have not deleted your original datafiles.D You cannot use Recovery Manager （RMAN） to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.
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多选题Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）ADefine the POWER option while adding or removing the disksBIncrease the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.CIncrease the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSESDIncrease the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
单选题Your production database uses an Automatic Storage Management （ASM） instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users？（）Amount the new disk group in the ASM instanceBrestart the ASM instance and the production database instanceCregister the new disk groups in the production database instanceDrestart the ASM instance without restarting the production database instanceEinclude the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
多选题Immediately after adding a new disk to or removing an existing disk from an Automatic StorageManagement （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）Aincrease the number of checkpoint processesBdefine the POWER option while adding or removing the disksCincrease the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSESDincrease the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVESEincrease the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal process
单选题You are the Database Administrator for WonderWeb， which has recently acquired a media company TXGlobal. You have been assigned the task to migrate all the database applications of TXGlobal to the database server of WonderWeb. To accommodate more database applications， you need to add disks to the existing disk group. Whenever you add or remove disks from the disk group， Automatic Storage Management （ASM） rebalancing distributes the data evenly across all the disks of the disk group. Which background process performs this actual rebalancing activity， resulting in the movement of data extents in the disk groups？（）A ASMBB ARBnC RBAL in the ASM instanceD RBAL in the database instance
多选题You are managing an Oracle Database 11g ASM instance having three disks in a disk group with ASM compatibility attribute set to 11.1.0 and redundancy set to high. One of the disks in the disk group becomes unavailable because of power failure. Which statements will be true in this scenario？（）AThe disk is immediately dropped from the disk group.BThe ASM tracks the extents that are modified during the outaCThe ASM migrates the extents from the unavailable disk to the remaining disks.DThe disk automatically goes offline.
多选题You are managing an Oracle Database 11g instance and an Oracle Database 10g instance on the same machine. Both instances use the ASM instance as storage. Which statement regarding the ASM disk group compatibility attributes are true in this scenario？（）AThe database-compatibility version settings for each instance must be greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.BRDBMS compatibility and the database version determines whether a database instance can mount the ASM disk group.CThe RDBMS compatibility settings for a disk group control the format of data structures for ASM metadata on the disk.DASM compatibility controls which features for the ASM will be enabled.