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Exam 1z0-066 topic 1 question 85 discussion

Actual exam question from Oracle's 1z0-066
Question #: 85
Topic #: 1
[All 1z0-066 Questions]

Which two are true about rolling release upgrades in a Data Guard environment?

  • A. The background process DMON must be enabled on the primary and standby databases during a rolling release upgrade procedure.
  • B. A physical standby database can be converted to a logical standby database temporarily.
  • C. Rolling release upgrades require the background process RVWR to write flashback logs on the standby database.
  • D. The KEEP IDENTITY clause ensures that a logical standby database keeps the same DBID as the primary database.
  • E. The recovery point objective increases proportionally to the duration of the rolling release upgrade procedure.
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Suggested Answer: BD 🗳️
D: Performing a Rolling Upgrade With an Existing Physical Standby Database
Step 1 Prepare the primary database for a rolling upgrade (perform these steps on Database A)
Step 2 Convert the physical standby database into a logical standby database (perform these steps on Database B)
Includes:
issue the following command:
SQL> ALTER DATABASE RECOVER TO LOGICAL STANDBY KEEP IDENTITY;
SQL> ALTER DATABASE OPEN;
References:
https://docs.oracle.com/database/121/SBYDB/rollup.htm#SBYDB4884
by JESUSBB at May 3, 2023, 10:35 p.m.

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JESUSBB
1 year, 9 months ago
Answer: B and D
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