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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:
Feb 5, 2025
Exam Status:
Stable
Oracle 1z0-083

1z0-083: Oracle Database 19c Exam 2025 Study Guide Pdf and Test Engine

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Oracle Database Administration II Questions and Answers

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Question 1

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

Options:

A.

Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B.

A connection to an auxiliary instance is always required.

C.

A subset of the target database can be duplicated.

D.

A new DBID is always created for the duplicated database.

E.

A connection to the recovery catalog instance is always required.

F.

A backup of the target database is always required.

G.

Duplication can be done by having the target database instance push copies to the auxiliary database instance.

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Question 2

In your Database, the TBS PERCENT USED parameter is set to 60 and the TBS PERCENT FREE parameter is set to 20. Which two storage-tiering actions might be automated when using information Lifecycle Management (ILM) to automate data movement?

Options:

A.

The movement of all segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED

B.

Settingthetargettablespacetoread-only

C.

The movement of some segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED

D.

Setting the target tablespace offline

E.

The movement of some blocks to a target tablespace with a lower degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED Correct

Question 3

In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments. On further investigation, you f ind that buffer busy waits is caused by contention on data blocks. Which option would you consider first to decrease the wait event immediately?

Options:

A.

Decreasing PCTUSED

B.

Decreasing PCTFREE

C.

Increasing the number of DBWN process

D.

Using Automatic Segment Space Management (ASSM)

E.

Increasing db_buffer_cache based on t he V$DB_CACHE_ADVICE recommendation

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