1Z0-083 TEST FEE | LATEST REAL 1Z0-083 EXAM

1Z0-083 Test Fee | Latest Real 1Z0-083 Exam

1Z0-083 Test Fee | Latest Real 1Z0-083 Exam

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Passing the Oracle 1Z1-083 certification exam demonstrates that a database administrator has a thorough understanding of Oracle database administration, and is capable of performing complex tasks such as managing backup and recovery procedures, optimizing database performance, and ensuring the security of the database. Oracle Database Administration II certification is highly valued by employers, and can lead to better job opportunities and higher salaries.

Oracle 1Z0-083 (Oracle Database Administration II) Certification Exam is a professional certification that is designed to test the skills and abilities of database administrators working with Oracle databases. Oracle Database Administration II certification exam is a valuable asset for professionals who want to advance their career in the field of database administration. It is also a key requirement for those who want to achieve Oracle Certified Professional (OCP) certification.

Oracle 1Z0-083 Exam consists of 80 multiple-choice questions and must be completed within 120 minutes. 1Z0-083 exam covers a range of topics related to advanced database administration, including database architecture, data management, performance tuning, backup and recovery, security, and high availability. Candidates who pass the exam will earn the Oracle Certified Professional (OCP) credential, demonstrating their expertise in managing and maintaining Oracle databases at an enterprise level. Oracle Database Administration II certification can be a valuable asset for IT professionals seeking to advance their careers in database administration.

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Oracle Database Administration II Sample Questions (Q76-Q81):

NEW QUESTION # 76
Which two are true about poorly performing SQL statements and their tuning in Oracle database instances? (Choose two.)

  • A. SQL statements performing many physical I/Os can always have their performance improved by creating indexes.
  • B. Poorly performing SQL statements can be tuned automatically by the Oracle server.
  • C. SQL statements doing only logical reads never require tuning because they do no physical I/O.
  • D. SQL statements doing joins always do more physical I/O than single table queries.
  • E. The solution that best optimizes one SQL statement can degrade the performance of others.

Answer: B,E

Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28274/sql_tune.htm#PFGRF028


NEW QUESTION # 77
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process?

  • A. ADDM can recommend extending the buffer cache.
  • B. AWR snapshots must be deleted when no longer required by ADDM.
  • C. ADDM performs its analysis only when a DBA requests it.
  • D. By default, AWR snapshots are automatically purged after eight days.
  • E. ADDM can recommend shrinking the buffer cache.
  • F. By default, MMON creates an AWR snapshot every 30 minutes.

Answer: C,D,E


NEW QUESTION # 78
Which two arc true about the Automatic Database Diagnostic Monitor (ADDM)?

  • A. By default it analyzes a period of time corresponding to the last 4 hours of activity.
  • B. When ADDM reports multiple findings, summing all their impacts can yield to more than 100% of DB time
  • C. By default it analyzes a period of time corresponding to the last 24 hours of activity.
  • D. Results are written to the alert log.
  • E. It runs automatically after each AWR snapshot.

Answer: B,E


NEW QUESTION # 79
In which two situations can you use Database Upgrade Assistant? (Choose two.)

  • A. when the hardware platform needs to be changed as part of the upgrade
  • B. when the target and source database are on the same platform
  • C. when the operating system (OS) needs to be changed as part of the upgrade
  • D. when a character set conversion is required during the upgrade
  • E. when multiple pluggable databases in a container database have to be upgraded in a specific sequence

Answer: B,E


NEW QUESTION # 80
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?
(Choose two.)

  • A. Using the Data Recovery Advisor LIST FAILUREcommand always requires that the database for which failures are to be listed is in MOUNTstate.
  • B. A failure can be closed only when it has been repaired.
  • C. Data Recovery Advisor can proactively check for failures.
  • D. The Data Recovery Advisor CHANGE FAILUREcommand can be used only to change failure priorities.
  • E. Data Recovery Advisor can be used if a database is closed.

Answer: C,D

Explanation:
Explanation/Reference:


NEW QUESTION # 81
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