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Quiz 2023 Oracle Efficient 1Z0-083: Detailed Oracle Database Ad

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  Oracle Database Administration II Sample Questions (Q200-Q205):

  NEW QUESTION # 200
  Which two are true about Rapid Home Provisioning (RHP), which has been available since Orcale 18c? (Choose two.)

  • A. It cannot be used to upgrade Oracle Database homes.
  • B. It is an Oracle Database service
  • C. It can be used to patch Grid Infrastructure homes containing Oracle Restart.
  • D. It can be used to provision applications.
  • E. It can be used to provision middleware.

  Answer: C,E

  Explanation:
  Reference:
  https://www.oracle.com/assets/rapid-home-provisioning-2405191.pdf

  
  

  NEW QUESTION # 201
  Choose the best answer. Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?

  • A. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
  • B. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.
  • C. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
  • D. It is a set of recommendations by the optimizer to change the access methods used.
  • E. It is a set of recommendations by the optimizer to create new indexes.

  Answer: D

  
  

  NEW QUESTION # 202
  Choose two. Which two are true about RMAN persistent configuration settings, administration, and their effects?

  • A. A DBA must specify either a redundancy retention policy or a recovery window retention policy. B)A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
  • B. A target database's persistent RMAN configuration settings are always stored in the target's control file.
  • C. Backups written to the fast recovery area (FRA) that are obsolete based on the redundancy retention policy can be deleted automatically to free space.
  • D. Backups older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

  Answer: A

  
  

  NEW QUESTION # 203
  Which two are true about instance recovery?

  • A. It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered.
  • B. Setting fast_start_mttr_target to a higher value reduces instance recovery time by causing the log writer to write more frequently, thereby reducing the number of I/Os needed during instance recovery.
  • C. It is performed automatically while the database remains in mount state. Then the database is opened.
  • D. Setting fast_start_mttr_target to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery.
  • E. It is performed by the Recovery Writer (rvwr) background process.
  • F. It is not possible if an archived log is missing.

  Answer: E,F

  
  

  NEW QUESTION # 204
  Choose the best answer. Examine this configuration:
  1. CDB1 is a container database.
  2. There are several pluggable databases (PDBs) in CDB1.
  5. Each PDB has several tables with referential integrity constraints.
  6. FLASHBACK DATABASE is ON.
  7. UNDO RETENTION GUARANTEE is enabled.
  Multiple undesired multitable changes were made in all the PDBs.
  Which method can be used to undo the changes using a single command?

  • A. flashback transaction
  • B. flashback database
  • C. flashback table and transaction
  • D. flashback table
  • E. restore and recover database

  Answer: B

  
  

  NEW QUESTION # 205
  ......

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