1Z0-083 Dumps

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Oracle 1Z0-083 dumps - 100% Pass Guarantee!

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Vendor: Oracle

Certifications: Oracle Certifications

Exam Name: Oracle Database Administration II

Exam Code: 1Z0-083

Total Questions: 273 Q&As ( View Details)

Last Updated: Mar 13, 2025

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1Z0-083 Q&A's Detail

Exam Code: 1Z0-083
Total Questions: 273
Single & Multiple Choice 273

1Z0-083 Online Practice Questions and Answers

Questions 1

In a single-instance, multitenant container database (CDB), which three are only ever defined in or part of CDB$ROOT? (Choose three).

A. redo logs

B. control files

C. all data dictionary metadata

D. user-defined PL/SQL packages

E. temporary tablespaces

F. mandatory Oracle-supplied PL/SQL packages

G. undo tablespaces

Show Answer
Questions 2

Examine the RMAN command:

RMAN> RUN {

ALLOCATE CHANNEL c1 DEVICE TYPE sbt;

ALLOCATE CHANNEL c2 DEVICE TYPE sbt;

ALLOCATE CHANNEL c3 DEVICE TYPE sbt;

BACKUP

INCREMENTAL LEVEL = 0

(DATAFILE 1,4,5 CHANNEL c1)

(DATAFILE 2,3,9 CHANNEL c2)

(DATAFILE 6,7,8 CHANNEL c3);

SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT';

}

Which statement is true about the command?

A. The RMAN multiplexing level is 4.

B. It is the use of asynchronous I/O by RMAN.

C. It is a case of parallelization of the backup set.

D. It is an implementation of a multisection backup.

Show Answer
Questions 3

Which three actions are mandatory post database upgrade? (Choose three).

A. Updating client scripts with the new Oracle home.

B. Resetting passwords to enforce case-sensitivity.

C. Run OPatch commands from the new Oracle home.

D. Setting threshold values for table space alerts.

E. Migration to unified auditing.

F. Upgrading user tables that depend on Oracle-maintained abstract data types.

Show Answer
Questions 4

Which three are true about corrupted data blocks and their recovery in an Oracle Database? (Choose three).

A. If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.

B. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.

C. A media corrupt block is one where the block is not formatted correctly.

D. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.

E. If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.

F. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.

Show Answer
Questions 5

In which two situations can you use Database Upgrade Assistant? (Choose two.)

A. when the operating system (OS) needs to be changed as part of the upgrade

B. when a character set conversion is required during the upgrade

C. when multiple pluggable databases in a container database have to be upgraded in a specific sequence

D. when the target and source database are on the same platform

E. when the hardware platform needs to be changed as part of the upgrade

Show Answer More Questions

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Oracle 1Z0-083 exam official information: An Oracle Database Administration 2019 Certified Professional has proven theoretical understanding of and the practical skills required to configure and manage Oracle Databases up to and including Oracle 19c.