NEW RELEASE 1Z0-083 EXAM QUESTIONS- ORACLE 1Z0-083 DUMPS

New Release 1Z0-083 Exam Questions- Oracle 1Z0-083 Dumps

New Release 1Z0-083 Exam Questions- Oracle 1Z0-083 Dumps

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Oracle 1Z1-083 (Oracle Database Administration II) Certification Exam is a comprehensive exam that focuses on advanced database administration concepts that are essential for Oracle database administrators. Oracle Database Administration II certification exam is an upgrade to the Oracle Database Administrator Certified Associate (OCA) certification, which validates the fundamental knowledge and skills required for entry-level database administrators.

Oracle Database Administration II Sample Questions (Q79-Q84):

NEW QUESTION # 79
Choose three. Which three are true about block media recovery?

  • A. It can be performed on noncorrupt blocks.
  • B. The data file containing the block being recovered remains online.
  • C. It cannot repair logical corruption.
  • D. A block being recovered is not accessible.
  • E. The target database for which one or more blocks are to be recovered must be in the OPEN state.
  • F. To use it, Flashback Database must be enabled.

Answer: B,D,F


NEW QUESTION # 80
Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)

  • A. The ADR can store metadata in an Oracle Database repository.
  • B. The Data Recovery Advisor uses the ADR.
  • C. The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support.
  • D. The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it.
  • E. RMAN can always repair corrupt blocks.
  • F. Flashback commands help with repairing physical errors.

Answer: B,C,D

Explanation:
C - incorrect. Flashback is a logical tool. It cannot repair a physical error.
D - incorrect. RMAN cannot always repair corrupt blocks, for example - a DB in noarchivelog mode....
E - incorrect. ADR is an offline, file based, utility. It does not exist within the DB itself.
https://docs.oracle.com/en/database/oracle/oracle-database/18/sutil/oracle-adr-command- interpreter-adrci.html#GUID-DC5744C7-FAC0-436B-99D5-DBD45B66930B
https://docs.oracle.com/database/121/ADMQS/GUID-4678D9C4-7949-4050-A6DF- F52F79CEDC9F.htm#ADMQS100


NEW QUESTION # 81
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

  • A. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
  • B. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
  • C. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
  • D. A target database's persistent RMAN configuration settings are always stored in the target's control file
  • E. The V$RMAN_CONFIGURATIONview displays only settings with values that have been modified.
  • F. The RMAN SHOW ALLcommand displays only settings with nondefault values.
  • G. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

Answer: B,D,E

Explanation:
Explanation/Reference: https://books.google.com.pk/books?
id=pUEkAAAAQBAJ&pg=PA114&lpg=PA114&dq=V$RMAN_CONFIGURATION+view+displays+only+settings
+with+values+that+have+been+modified&source=bl&ots=fhC9A7ULeX&sig=ACfU3U2- cGhTjmAOpCZhvlL5R4j6ixLRAw&hl=en&sa=X&ved=2ahUKEwjJzf- WmtnoAhXT8eAKHQ9uBG8Q6AEwAHoECAwQJg#v=onepage&q=V%24RMAN_CONFIGURATION%20view
%20displays%20only%20settings%20with%20values%20that%20have%20been%20modified&f=false


NEW QUESTION # 82
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)

  • A. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
  • B. The Oracle Grid Infrastructure installation must be owned by the grid user.
  • C. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
  • D. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
  • E. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
  • F. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.

Answer: A,D

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/CWWIN/usrgrps.htm#CWWIN-GUID-6FD3C6AE-5A99-
4C6D-85D6-868CBA6F5DAE


NEW QUESTION # 83
Which three are true about Database Point-in-Time Recovery? (Choose three.)

  • A. The database must be open RESETLOGS after Database Point-in-Time Recovery.
  • B. The database must be in MOUNT state when performing Database Point-in-Time Recovery.
  • C. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
  • D. The target point for the recovery must be specified as a stime or System Change Number (SCN).
  • E. The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.
  • F. The Database must be in ARCHIVELOG mode.

Answer: A,B,F

Explanation:
Archivelog mode and mount state are needed (B, and D)
After the restore you need to open with reset logs (F)
E is discarted because sequence number also is valid
https://docs.oracle.com/cd/B19306_01/backup.102/b14192/flashptr006.htm#:~:text=Database%2
0point%2Din%2Dtime%20recovery%20(DBPITR)%20restores%20the,forward%20to%20the%20t arget%20time.


NEW QUESTION # 84
......

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