100% Pass Quiz Pass-Sure Oracle - Latest 1Z0-084 Questions

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Oracle 1Z0-084 Exam consists of 70 multiple-choice questions that must be completed within 105 minutes. 1Z0-084 exam covers a wide range of topics, including database architecture, instance tuning, SQL tuning, memory management, and performance monitoring. Candidates must have a thorough understanding of Oracle Database 19c, as well as experience with performance tuning and management tools such as Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and Enterprise Manager Cloud Control.

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Latest Oracle 1Z0-084: Latest Oracle Database 19c Performance and Tuning Management Questions - Authoritative Test4Cram Practice 1Z0-084 Exams

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Oracle 1Z0-084 Exam consists of 60 multiple-choice questions that must be completed within 105 minutes. 1Z0-084 exam is highly focused on performance and tuning management, and the questions are designed to test the candidate's ability to identify and troubleshoot performance issues in an Oracle database. Successful completion of this certification exam demonstrates a candidate's proficiency in database performance and tuning management, making them a valuable asset to any organization that uses Oracle database 19c. Oracle Database 19c Performance and Tuning Management certification is recognized globally and can greatly enhance a professional's career opportunities and earning potential.

Oracle Database 19c Performance and Tuning Management Sample Questions (Q32-Q37):

NEW QUESTION # 32
Which two statements are true about the use and monitoring of Buffer Cache Hit ratios and their value in tuning Database I/O performance?

A. The performance of workloads that primarily generate full table scans and fast full index scans are always affected by the cache hit ratio.
B. A 99% cache hit ratio can be observed for database instances which have very poor I/O performance.
C. Both the RECYCLE and KEEP buffer caches should always have a very high cache hit ratio.
D. A 60% cache hit ratio can be observed for database instances which have very good I/O performance.
E. The buffer cache advisory view v$db_cache_advice provides advice on cache hit ratios appropriate for the instance workload.

Answer: B,E

NEW QUESTION # 33
Which two statements are true about session wait information contained in v$session or v$session_wait?

A. Rows for sessions that are currently waiting have their wait time incremented every microsecond.
B. Rows for sessions displaying WAITED UNKNOWN TIME in the STATE column indicate that the session is still waiting.
C. Rows for sessions that are not waiting might contain the actual wait time for the last event for which they waited.
D. Rows for sessions that are currently waiting have a wait time of 0.
E. Rows for sessions that are not waiting always contain the total wait time since the session started.

Answer: C,D

Explanation:
In theV$SESSIONview, Oracle provides information about the session waits:
B: When theWAIT_TIMEcolumn has a value of 0, it signifies that the session is currently waiting for a resource. This column represents the duration of the current or last wait.
C: If the session is not actively waiting, theWAIT_TIMEcolumn shows the time the session spent waiting for the last wait event. If theSTATEcolumn is showing "WAITED KNOWN TIME", it means the session is not currently waiting, but it indicates the time for which it had waited.
References:
* Oracle Database Reference, 19c
* Oracle Database Performance Tuning Guide, 19c

NEW QUESTION # 34
Users complain about slowness and session interruptions. Additional checks reveal the following error in the application log:

Which file has additional information about this error?

A. ASH report
B. Session trace file SQL trace file automatically generated by the error
C. SQL trace file automatically generated by the error
D. Alert log

Answer: D

Explanation:
When an ORA-00060 deadlock error occurs, detailed information about the error and the deadlock graph are dumped into the alert log. This log contains a trace file name that you can use to find additional detailed information about the sessions involved in the deadlock and the SQL statements they were executing.
References:
* Oracle Database Administrator's Guide, 19c
* Oracle Database Error Messages, 19c

NEW QUESTION # 35
A Standard Edition production database has performance problems for two hours on the same day each week.
Which tool must you use to diagnose the problem?

A. SQL Performance Analyzer
B. AWR Compare Periods report
C. Statspack report
D. Database Replay

Answer: C

Explanation:
For a Standard Edition production database, the Statspack tool is available to diagnose performance problems.
The Automatic Workload Repository (AWR) and its related tools like AWR Compare Periods report and SQL Performance Analyzer are features of the Oracle Database Enterprise Edition and are not available in Standard Edition. Database Replay is also a feature of the Enterprise Edition. Statspack is a performance diagnostic tool provided for earlier versions and Standard Editions of the Oracle Database to collect, store, and analyze performance data.
References
* Oracle Database 19c Administrator's Guide - Using Statspack to Diagnose Database Performance Issues

NEW QUESTION # 36
Examine these commands, which execute successfully:

Which statement is true?

A. ADDM, AWR, and ASH reports can be purged automatically.
B. AWR- snapshots in all pluggable databases will be purgedautomatically after every 60 mins.
C. AWR snapshots can be purged manually in pluggable databases.
D. AD DM is enabled for all pluggable databases.

Answer: C

Explanation:
TheDBMS_WORKLOAD_REPOSITORY.MODIFY_SNAPSHOT_SETTINGSprocedure allows setting attributes related to AWR snapshots. While the interval setting controls the frequency of snapshot generation, purging them is a separate process that can be managed either automatically (with retention settings) or manually.References:
* Oracle Database PL/SQL Packages and Types Reference, 19c
* Oracle Multitenant Administrator's Guide, 19c

NEW QUESTION # 37
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100% Pass Quiz Pass-Sure Oracle - Latest 1Z0-084 Questions

Latest Oracle 1Z0-084: Latest Oracle Database 19c Performance and Tuning Management Questions - Authoritative Test4Cram Practice 1Z0-084 Exams

Oracle Database 19c Performance and Tuning Management Sample Questions (Q32-Q37):

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