053-649

Posted 2020-10-14 巴啦啦大魔王

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Examine the CREATE DISKGROUP command used to create a disk group:
SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY
DISK ‘ORCL: FRA3‘ NAME misc1, ‘ORCL: FRA4‘ NAME misc2;
In which situation would you use this method of disk group creation?
A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management (ASM) disks

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