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Oracle认证考试

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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
正确答案:C
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