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Exam 1z0-066 topic 1 question 42 discussion

Actual exam question from Oracle's 1z0-066
Question #: 42
Topic #: 1
[All 1z0-066 Questions]

Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured?

  • A. They are required on a logical standby for real-time apply.
  • B. They are required only for synchronous redo transport.
  • C. Only standby databases can write redo to them.
  • D. It is recommended to have them on the primary database.
  • E. They are required on a physical standby for real-time apply.
  • F. The LGWR process writes to them on a standby database.
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Suggested Answer: ADE 🗳️
by mikom80 at Nov. 24, 2021, 9:21 a.m.

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mikom80
Highly Voted 3 years, 2 months ago
Selected Answer: ADE
D correct: It is recommended to have them on the primary database - in case os second switchover C: INCORRECT: The archiver (ARCn) process or the log writer (LGWR) process on the primary database can transmit redo data directly to remote standby redo log files, potentially eliminating the need to register a partial archived log file (for example, to recover after a standby database crashes).
upvoted 6 times
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ucdongmo
Most Recent 1 year, 7 months ago
D, E and F
upvoted 1 times
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oraexam12
2 years, 5 months ago
Correct Answer: ADE
upvoted 3 times
...
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