Oracle 1z1-084

Everyone studies differently, which is why Dumpkiller offers the 1z1-084 exam preparation material in three formats: a printable PDF, a desktop test engine, and an online test engine. Whichever you pick, you work through the same 57 practice questions covering the Oracle Database 19c Performance and Tuning Management syllabus.

Oracle 1z1-084 Exam Overview:

Oracle 1z1-084 Exam Syllabus Topics:

Oracle Database 19c Performance and Tuning Management: Common Questions From Candidates

What is the Oracle Database 19c Performance and Tuning Management certification exam?

The Oracle Database 19c Performance and Tuning Management exam (code: 1z1-084) is the official Oracle exam that leads to the Oracle Database 19c Performance and Tuning Management certification. It sits at the Professional level of the Oracle certification track. It is also connected with related credentials such as Oracle Database Administrator Certified Professional, Oracle Database 19c Administration, Oracle Database 19c Performance Management. Passing it proves to employers that your skills have been validated by Oracle itself, which is why the 1z1-084 credential keeps showing up in job postings.

How many questions are in the 1z1-084 exam, and how long does it take?

The Oracle Database 19c Performance and Tuning Management exam gives you 120 minutes to work through 50–60. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the 1z1-084 exam, and how much does it cost?

The passing score for the Oracle Database 19c Performance and Tuning Management exam is Approximately 60–68% (Oracle passing scores vary by exam form), and the official registration fee is USD 245 (may vary by region). Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above Approximately 60–68% (Oracle passing scores vary by exam form).

Are there any prerequisites for the 1z1-084 exam?

According to Oracle, the following applies: Recommended: Oracle Database 19c Administration or equivalent DBA experience. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://education.oracle.com before you register.

How do I register for the 1z1-084 exam?

You can book your Oracle Database 19c Performance and Tuning Management exam through the official channels below:

• Oracle Certification Registration
• Pearson VUE Oracle Exams

Depending on availability in your region, the exam is delivered as Online proctored exam or Pearson VUE test center.

What official training does Oracle recommend for the 1z1-084 exam?

Oracle lists the following training options for Oracle Database 19c Performance and Tuning Management candidates:

• Oracle Database 19c: Performance Management and Tuning (Oracle University)

Official courses build a solid foundation, and pairing them with the 57 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the 1z1-084 practice questions before buying?

Yes. Dumpkiller offers a free 1z1-084 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Oracle Database 19c Performance and Tuning Management material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the 1z1-084 exam, and how is my order delivered?

If you take the corresponding 1z1-084 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the 1z1-084 exam?

The official Oracle Database 19c Performance and Tuning Management syllabus is organized into 8 main domains. The first three are SQL Tuning and Optimization, Performance Monitoring and Diagnostics, and Concurrency and Scalability. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

Oracle Database 19c Performance and Tuning Management Sample Questions:

Question #1

You must configure and enable Database Smart Flash Cache for a database.
You configure these flash devices:

Examine these parameter settings:

What must be configured so that the database uses these devices for the Database Smart Flash Cache?

A. Set DB_FLASH_CACHE_SIZE to 192G and MEMORY_TARGET to 256G.
B. Set DB_FLASH_CACHE_SIZE parameter to 128G, 64G.
C. Set DB_FLASH_CACHE_SIZE to 256G and change device /dev/sdk to 128G.
D. Set DB_FLASH_CACHE_SIZE parameter to 192G.
E. Disable Automatic Memory Management and set SGA_TARGET to 256G.

Question #2

Which three statements are true about server-generated alerts?

A. They provide notifications but never any suggestions for correcting the identified problems.
B. They can be viewed only from the Cloud Control Database home page.
C. Their threshold settings can be modified by using DBMS_SERVER_ALERT.
D. They are notifications from the Oracle Database Server of an existing or impending problem.
E. They may contain suggestions for correcting the identified problems.
F. They are logged in the alert log.

Question #3

18. The application provider has given full indications regarding the procedure to collect statistics.
To reduce the space used in the SYSAUX tablespace, you want to prevent the optimizer statistics Advisor from running.
Which method will allow you to do this?

A. Use DBMS STATS.DROP ADVISOR TASK to drop the AUTO_STATS_ADVISOR_TASK task.
B. Set the AUTO_STATS_ADVISOR_TASK global statistics preference to FALSE.
C. Use DBMS_AUTO_TASK_ADMIN. DISABLE to disable the AUTO_STATS_ADVISOR_TASK task.
D. Set the parameter OPTIMIZER_ADAPTIVE_STATISTICS to FALSE.

Question #4

Accessing the SALES tables causes excessive db file sequential read wait events.
Examine this AWR except:

Now, examine these attributes displayed by querying dba_tables:

Finally, examine these parameter settings:

Which two must both be used to reduce these excessive waits?

A. Partition the SALES table.
B. Compress the SALES table.
C. Coalesce all sales table indexes.
D. Re-create the SALES table.
E. Increase PCTFREE for the SALES table.

Question #5

Which three statements are true about tuning dimensions and details of v$sys_time_model and DB time?

A. Parse Time Elapsed accounts for successful soft and hard parse operations only.
B. When WAIT TIME is high, instance tuning may improve performance.
C. Systems in which CPU time is dominant need more tuning that those in which WAIT TIME is dominant.
D. DB Time accounts for all time used by background processes and user sessions.
E. Statspack cannot account for high CPU time when CPU TIME is a Top 10 event in DB time. When CPU time is high, SQL tuning may improve performance.
F. The proportion of WAIT TIME to CPU TIME always increases with increased system load.

Solutions: