Oracle 1z0-083 Exam (page: 10)
Oracle Database Administration II
Updated on: 01-Sep-2025

Viewing Page 10 of 58

Which two are true about the execution of operating system scripts starting from Oracle Database 19c? (Choose two.)

  1. orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
  2. root.sh can be executed automatically by the Database Installer only if it is provided with root credentials.
  3. The sudo password can be specified in a response file.
  4. root.sh can be executed automatically by the Database installer only by using sudo credentials.
  5. The sudo password must be specified in a response file.
  6. The root password cannot be specified in a response file.

Answer(s): A,F



Automatic Shared Memory Management is disabled for one of your database instances. Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance. What would be your next step?

  1. Run the SQL Access Advisor.
  2. Run the Memory Advisor for the shared pool.
  3. Run the SQL Tunning Advisor.
  4. Run the Memory Advisor for the Program Global Area.
  5. Run the Memory Advisor for the System Global Area.

Answer(s): B



Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

  1. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
  2. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
  3. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
  4. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
  5. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.

Answer(s): A,C



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



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Share your comments for Oracle 1z0-083 exam with other users:

Blessious Phiri 8/13/2023 10:32:00 AM

very explainable
Anonymous


Blessious Phiri 8/15/2023 3:38:00 PM

excellent topics covered
Anonymous


Blessious Phiri 8/12/2023 11:56:00 AM

its getting more technical
Anonymous


Blessious Phiri 8/15/2023 1:56:00 PM

asm management configuration is about storage
Anonymous


Blessious Phiri 8/14/2023 9:53:00 AM

cbd and pdb are key to the database
SOUTH AFRICA


Blessious Phiri 8/13/2023 11:58:00 AM

becoming interesting on the logical part of the cdbs and pdbs
Anonymous


Blessious Phiri 8/13/2023 10:26:00 AM

admin ii is real technical stuff
Anonymous


Blessious Phiri 8/12/2023 2:19:00 PM

so challenging
Anonymous


Blessious Phiri 8/13/2023 8:37:00 AM

making progress
Anonymous


Blessious Phiri 8/15/2023 3:19:00 PM

oracle 19c is complex db
Anonymous


Blessious Phiri 8/13/2023 9:35:00 AM

rman is one good recovery technology
Anonymous


Blessious Phiri 8/14/2023 3:49:00 PM

expository experience
Anonymous


Blessious Phiri 8/15/2023 3:31:00 PM

these questions are a great eye opener
Anonymous


Blessious Phiri 8/15/2023 2:18:00 PM

pdb and cdb are critical to the database
Anonymous


Blessious Phiri 8/13/2023 3:10:00 PM

control file is the heart of rman backup
Anonymous


Blessious Phiri 8/12/2023 11:47:00 AM

the exams are giving me an eye opener
Anonymous


Blessious Phiri 8/15/2023 2:02:00 PM

dbua is used for upgrading oracle database
Anonymous


Blessious Phiri 8/15/2023 4:08:00 PM

its giving best technical knowledge
Anonymous