單項選擇題

The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session？（）

A. The tape I/O performed is asynchronous
B. The tape buffer is allocated from the System Global Area （SGA）
C. The tape buffer is allocated from the Program Global Area （PGA）
D. Oracle I/O uses an interrupt mechanism to determine when each I/O completes

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單項選擇題

Examine the following ALTER command：
SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS；
What is the purpose of the command？（）

A. It cancels all pending disk drops within the disk group.
B. It restores disks that are being dropped as the result of a DROP DISKGROUP operation
C. It mounts disks in the disk group for which the drop-disk operation has already been co pleted
D. It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed
E. It adds previously dropped disks back into the disk group

單項選擇題

You are using Recovery Manager （RMAN） with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure， you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task：
1） Restore an autobackup of the server parameter file.
2） Restore the control file
3） Start the target database instance
4） Mount the database
5） Restore the data files
6） Open the database with RESETLOGS option
7） Recover the data files
8） Set DBID for the target database
Which option illustrates the correct sequence that you must use？（）

A. 8， 1， 3， 2， 4， 5， 7， 6
B. 1， 8， 3， 4， 2， 5， 7， 6
C. 1， 3， 4， 2， 8， 5， 6， 7
D. 1， 3， 2， 4， 6， 5， 7， 8

The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session？（）

你可能感興趣的試題

Examine the following ALTER command： SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS； What is the purpose of the command？（）

The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session？（）

Examine the following ALTER command：
SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS；
What is the purpose of the command？（）