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Exam 1z0-078 topic 1 question 48 discussion

Actual exam question from Oracle's 1z0-078
Question #: 48
Topic #: 1
[All 1z0-078 Questions]

Which three statements are true about accessing ASM files? (Choose three.)

  • A. Database instances perform read I/O using an ASM instance as an I/O Server.
  • B. Database instances can write metadata to ASM diskgroups.
  • C. Database instances perform read I/O directly to ASM Disks.
  • D. ASM instances can write metadata to ASM diskgroups.
  • E. If a database instance writes to an ASM-based datafile whose redundancy attribute is set to mirror, then the ASM instance writes the mirror copy.
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Suggested Answer: BCD 🗳️
by 217972f at Sept. 4, 2024, 12:52 p.m.

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217972f
10 months, 4 weeks ago
Selected Answer: CDE
CD are explained here: https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/physical-storage-structures.html#GUID-7FEC2249-4A21-4967-B951-8979D72030AF E is correct because rdbm instance doesn't know about ASM redundancy so ASM instance is owner of mirroring process
upvoted 1 times
217972f
8 months ago
A is bad writted so I think is incorrect because IOServer is not an Oracle ASM instance: https://docs.oracle.com/en/database/oracle/oracle-database/19/ostmg/manage-flex-asm.html
upvoted 1 times
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