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單項選擇題

You want to migrate your database to ASM， so you have done a clean shutdown， made a closed backup of the entire You wa database， noted the location of your control files and online redo log files， and changed your spfile to use OMF. The last step is to run an RMAN script to do the conversion.
Using the following steps，what is the correct order in which the following RMAN commands should be executed？（）
1. STARTUP NOMOUNT
2. ALTER DATABASE OPEN RESETLOGS
3. SQL "ALTER DATABASE RENAME ，，logfile1 path TO ，，+dgrp4 ，，" # plus all other logfiles
4. SWITCH DATABASE TO COPY
5. BACKUP AS COPY DATABASE FORMAT ，，+dgrp4
6. ALTER DATABASE MOUNT
7. RESTORE CONTROLFILE FROM ，，controlfile_location

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

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單項選擇題

As DBA for the Rebel Alliance you have decided that you need to facilitate some redundancy in your database. Using ASM， you want to create a disk group that will provide for the greatest amount of redundancy for your ASM data （you do not have advanced SAN mirroring technology available to you， unfortunately）.
Which of the following commands would create a disk group that would offer the maximum in data redundancy？（）

A.A
B.B
C.C
D.D
E.E

單項選擇題

When an ASM instance receives a SHUTDOWN NORMAL command，what command does it pass on to all database instances that rely on the ASM instances disk groups？（）

A. TRANSACTIONAL
B. IMMEDIATE
C. ABORT
D. NORMAL