单项选择题
What is the net effect of the following command？（）
alter diskgroup dgroup1 drop disk abc；
A. The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command，the data on that disk will be lost.
B. The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.
C. The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete，the disk will be dropped.
D. This command will fail because you cannot drop a specific disk in an ASM disk group.
E. The disk drop command will be suspended for a predetermined amount of time，waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command，ASM will proceed to rebalance the disk group and then drop the disk.
相关考题
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单项选择题
After executing the command alter diskgroup disk group2 drop disk dg2a； you issue the following command from the ASM instance： Select group_number， count（*） from v$asm_operation； What is the implication if the query against V$ASM_OPERATION returns zero rows？（）
A. The drop disk operation is still proceeding and you cannot yet run the undrop disks operation.
B. The drop disk operation is complete and you can run the undrop disks command if needed.
C. The drop disk operation is complete and you cannot run the undrop disk command.
D. The query will fail since there is not a V$ASM_OPERATION view available in an ASM instance.
E. None of the above is true. -
多项选择题
ASMsupportsallbutwhichofthefollowingfiletypes？（）
A. Database files
B. Spfiles
C. Redo-log files
D. Archived log files
E. RMAN backup sets
F. Password files
G. init.ora files -
多项选择题
You are using a recovery catalog to maintain Recovery Manager （RMAN） backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.（）
A. Reregistering the target database in recovery catalog
B. Transporting the new tablespaces to the recovery catalog database
C. Syncronizing the recovery catalog with the target database control file
D. Performing a fresh backup of the target database to include the new data files in the catalog database
