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Free Oracle 1z0-083 Exam Questions (page: 14)

Page 14 of 71
PDF with 286 Questions

Examine these queries and their output: After a system crash, an instance restart and an attempted opening of the PDBs result in: Which two are true? (Choose two.)

  1. Data file 24 can be recovered while PDB2 is opened.
  2. Data file 24 must be recovered while the CDB is opened.
  3. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
  4. Data file 24 cannot be recovered while the CDB is opened.
  5. Data file 24 must be recovered while PDB2 is closed.

Answer(s): A,C



Which two are true about RMAN duplexed backup sets? (Choose two.)

  1. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
  2. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.
  3. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
  4. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.
  5. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
  6. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.

Answer(s): B,D



Which three are true about RMAN duplexed backup sets or image copies? (Choose three.)

  1. A backup set may be duplexed with both copies written to disk.
  2. An image copy on disk can be copied to disk.
  3. A backup set may be duplexed with both copies written to sbt.
  4. A backup set may be duplexed so that one copy is written to sbt and the other to disk.
  5. An image copy on disk can be copied to sbt.
  6. An image copy on sbt can be copied to disk.

Answer(s): A,B,C



Which two statements are true about RMAN duplexed backups?

  1. It is not supported for image copies.
  2. It is only supported for backups to tape via the media management interface.
  3. Duplex backups can be performed on either disk or media, but cannot be performed on media and disk simultaneously.
  4. Duplex backups can contain only data files and control files.
  5. For performing duplexed backups, the parallelism for the device must be set equal to the number of copies.

Answer(s): A,C



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