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Oracle 1z0-083 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-083
Exam Name:
Oracle Database Administration II
Certification:
Oracle Database 19c
Vendor:
Oracle
Questions:
286
Last Updated:
Nov 22, 2024
Exam Status:
Stable
Oracle 1z0-083

1z0-083: Oracle Database 19c Exam 2024 Study Guide Pdf and Test Engine

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Oracle Database Administration II Questions and Answers

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Question 1

Which two are true about instance recovery? (Choose two.)

Options:

A.

It is not possible if an archived log is missing.

B.

It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered.

C.

Setting FAST_START_MTTR_TARGET to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery.

D.

It is performed by the Recovery Writer (RVWR) background process.

E.

Setting FAST_START_MTTR_TARGET to a higher value reduces instance recovery time by causing The log writer to write more frquently, thereby reducing the number of I/Os needed during instance recovery.

F.

It is performed automatically while the database remains in MOUNT state. Then the database is opened.

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Question 2

Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)

Options:

A.

All metrics are instance related.

B.

Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.

C.

A space usage management alert is automatically cleared after the underlying problem is resolved

D.

They are generated by SMON when a tablespace is 97% full.

E.

Metrics are statistical counts for a specific unit.

F.

STATISTICS_LEVEL must be set to ALL to generate alerts.

Question 3

Choose the best answer. Examine this output of an export from the current release of an Oracle multitenant database: $ sqlplus system/oracle . SQL> col name for a10 SQL> select name, open_mode from v$pdbs; NAME OPEN_MODE ---------------------------------------PDB$SEED READ ONLY PDB1 READ WRITE PDB2 MOUNTED SQL> exit Next you execute: $ expdp system/oracle full=y What is the outcome?

Options:

A.

It fails because Data Pump cannot be container.

B.

It creates a full export of the root

C.

It creates a full export of the root

D.

It creates a full export of only the used while connected to the root container and PDB1. container and all PDBs. container and all open PDBs. root container.

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