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Oracle 1Z0-083 exam consists of 80 multiple choice questions and has a time limit of 120 minutes. 1Z0-083 exam is administered by Pearson VUE, a leading provider of computer-based testing. Candidates who pass the exam will receive the Oracle Certified Professional, Oracle Database Administration II certification, which is recognized globally as a mark of excellence in database administration.

Oracle 1Z1-083 exam is a certification test designed to measure the knowledge and skills of IT professionals who work with Oracle databases. 1Z0-083 exam is intended for database administrators who have already passed the 1Z1-082 exam and want to further validate their skills in Oracle database administration. Passing 1Z0-083 Exam demonstrates a higher level of proficiency in database management, which can lead to better job opportunities and higher salaries.

Oracle 1Z0-083 exam consists of 80 multiple-choice questions and has a duration of 105 minutes. 1Z0-083 exam is administered by Pearson VUE and can be taken at a testing center or online. The passing score for the exam is 63%, and candidates who pass the exam will receive a digital badge and a certificate of achievement.

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Oracle Database Administration II Sample Questions (Q267-Q272):

NEW QUESTION # 267
Examine this configuration:
1. The ORCLdatabase data files are in Automatic Storage Management (Oracle ASM) disk group
+DATA.
2. ORCLuses disk group +FRAfor the Fast Recovery Area.
3. LISTENER is the listener for ORCL.
4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5. All components are currently shut down.
You execute this command:

What is the outcome?

A. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.
B. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.
C. Only the ORCL database instance and the +DATA and +FRA disk groups are started.
D. Only the ORCL database and the ASM instances are started.
E. Only the ORCL database instance is started.

Answer: B

Explanation:
The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.

NEW QUESTION # 268
Which three are true about corrupted data blocks and their recovery in an Oracle Database?

A. If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.
B. If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.
C. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.
D. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.
E. A media corrupt block is one where the block is not formatted correctly.
F. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.

Answer: A,C,F

NEW QUESTION # 269
Examine this configuration:
* CDB1 is a container database.
* PDB1 and PDB2 are pluggable databases in CDB1.
* PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully:

Which two are true? (Choose two.)

A. CDB1 is in MOUNT state
B. PDB1 is closed.
C. CDB1 is shut down.
D. Uncommitted transactions in CDB1 and PDB1 have been rolled back.
E. Uncommitted transactions in PDB1 have been rolled back.

Answer: A,B

NEW QUESTION # 270
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A. Only the grid user can perform the upgrade.
B. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
C. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
D. An existing Oracle base can be used.
E. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
F. Existing Oracle Database instances must be shut down before starting the upgrade.

Answer: A,D,E

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cwlin/restrictions-for-oracle-grid- infrastructure-upgrades.html#GUID-76797070-C2C6-4817-902C-037A67A6EF94 Oracle Grid Infrastructure upgrades are always out-of-place upgrades. You cannot perform an in- place upgrade of Oracle Grid Infrastructure to existing homes.
The same user that owned the earlier release Oracle Grid Infrastructure software must perform the Oracle Grid Infrastructure 19c upgrade.

NEW QUESTION # 271
Which three are true about Optimizer Statistics Advisor? (Choose three.)

A. It is part of the DBMS_STATS package.
B. It always analyzes all schemas in the database.
C. It can recommend changes to improve the statistics gathering process.
D. It runs automatically every night by default.
E. It is part of the DBMS_ADVISOR package.
F. It can be run only manually.

Answer: A,C,F

Explanation:
https://mikedietrichde.com/2017/08/22/oracle-optimizer-statistics-advisor-in-oracle-database-12-2-0-1/
https://www.oracle.com/technetwork/database/bi-datawarehousing/twp-bp-for-stats-gather-19c-5324205.pdf Reference:
https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2

NEW QUESTION # 272
......

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