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.
相关考题
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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 -
多项选择题
WhichtwostatementsaretrueabouttheduplexingofthebackupstakenbyRMAN？（）
A. It’s only supported for the backups performed on the tape
B. It is not supported for backup operations that produce image copies
C. Duplex backups need a parallelism for the device to be equal to number of copies
D. Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously
