1Z0-083 PASS4SURE EXAM PREP - NEW 1Z0-083 PRACTICE MATERIALS

1Z0-083 Pass4sure Exam Prep - New 1Z0-083 Practice Materials

1Z0-083 Pass4sure Exam Prep - New 1Z0-083 Practice Materials

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Oracle 1Z1-083 is an exam designed for professionals who wish to demonstrate their knowledge and expertise in database administration. 1Z0-083 exam is a part of the Oracle Certified Database Administrator (OCDA) certification program and is considered an important step towards becoming an Oracle Certified Master. 1Z0-083 Exam aims to test the candidate's ability to manage and administer an Oracle database, including installation, configuration, backup and recovery, and performance tuning.

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100% Pass Oracle 1Z0-083 - Oracle Database Administration II Accurate Pass4sure Exam Prep

These mock tests are specially built for you to assess what you have studied. These 1Z0-083 Practice Tests are customizable, which means you can change the time and questions according to your needs. You can even access your previously given tests from the history, which helps you to overcome mistakes while giving the actual test next time.

Oracle 1Z0-083 exam covers a wide range of topics, including database architecture, backup and recovery, security, performance tuning, and high availability. 1Z0-083 exam has 84 questions and must be completed within 105 minutes. Candidates who pass the exam will receive the Oracle Database Administration II certification, which demonstrates their proficiency in managing and maintaining Oracle databases.

Oracle 1Z0-083 is an exam that tests the skills and knowledge of database administrators who are responsible for managing and maintaining Oracle databases. It is the second level of certification in the Oracle Database Administration track, following the Oracle Database Administration I exam. Passing 1Z0-083 Exam demonstrates that the candidate has a deep understanding of the key concepts and practices of Oracle database administration and is qualified to work as a certified Oracle database administrator.

Oracle Database Administration II Sample Questions (Q156-Q161):

NEW QUESTION # 156
Which two are true about gathering optimizer statistics? (Choose two.)

  • A. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.
  • B. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.
  • C. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.
  • D. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)
  • E. System statistics can be gathered only while connected to CDB$ROOT.

Answer: A,D

Explanation:
Explanation
https://mikedietrichde.com/2016/10/21/gather-fixed-objects-stats-in-pdbs-as-well/#:~:text=Yes%2C%20you'll%2
.


NEW QUESTION # 157
You want to transport the UNIVERSITY tablespace from one database to another.
The UNIVERSITY tablespace is currently open read/write.
The source and destination platforms have the same endian format.
Examine this list of steps:
1. Make the UNIVERSITY tablespace read-only on the source system.
2. Export the UNIVERSITY tablespace metadata using EXPDP.
3. Create a cross-platform backup set from the UNIVERSITY tablespace on the source system, using an RMAN command that includes the DATAPUMP clause.
4. Copy the cross-platform backup sets to the destination system.
5. Copy the Data Pump dump set from the source to the destination system.
6. Restore the cross-platform backup set on the destination system using an RMAN command that includes the DATAPUMP clause.
7. Import the UNIVERSITY tablespace metadata using IMPDP.
8. Make the UNIVERSITY tablespace read/write on the destination system.
Which are the minimum number of steps required, in the correct order, to transport the UNIVERSITY tablespace?

  • A. 2, 3, 4, 5, 6, 7
  • B. 3, 4, 6
  • C. 1, 3, 4, 6, 8
  • D. 1, 2, 3, 4, 5, 6, 7, 8

Answer: C


NEW QUESTION # 158
You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

  • A. Use emergency monitoring to fetch data directly from SGA for analysis.
  • B. Use Active Session History (ASH) data and hang analysis in regular performance monitoring,
  • C. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
  • D. Enable Memory Access Mode, which reads performance data from SGA.
  • E. Run ADDM in diagnostic mode.

Answer: A


NEW QUESTION # 159
Which two are true about the Oracle dataabse methodology? (Choose two.)

  • A. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
  • B. SQL statements should always be tuned before tuning any file systems.
  • C. Tuning activities should stop once the user is satisfied with performance.
  • D. The database instance memory should always be tuned before tuning any file systems.
  • E. Tuning activities should stop once agreed service levels for performance have been met.
  • F. The alert log should be used to find the database and instance areas most in need of tuning.

Answer: E,F

Explanation:
Reference:
https://flylib.com/books/en/4.322.1.9/1/


NEW QUESTION # 160
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

  • A. SQL statements that were originally run concurrently are run concurrently by SPA.
  • B. It is integrated with the SQL Access Advisor.
  • C. It provides before and after execution statistics for each SQL statement in the analysis task
  • D. It predicts the impact of system changes on SQL workload response time.
  • E. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.

Answer: C,D

Explanation:
SQL Performance Analyzer measures the impact of system changes both on the overall execution time of the SQL workload and on the response time of every individual SQL statement in the workload. By default, SQL Performance Analyzer uses elapsed time as a metric for comparison.


NEW QUESTION # 161
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