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Oracle 1Z0-083 Exam is a computer-based exam that consists of 60 multiple-choice questions. Candidates have 105 minutes to complete the exam and must score at least 63% to pass. 1Z0-083 exam is available in several languages, including English, Japanese, and Simplified Chinese. Candidates can take the exam at a Pearson VUE testing center or online from their home or office.

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The Prep4SureReview is a revolutionary platform for professionals and students looking to pass the Prepare for your Oracle Database Administration II (1Z0-083) exam and advance their careers. Our mission is to provide a comprehensive, convenient, and cost-effective preparation material for individuals to prepare for the 1Z0-083 Certification Exam.

Oracle 1Z0-083 certification exam is designed for professionals who wish to validate their skills in database administration. 1Z0-083 exam is a part of the Oracle Certified Professional (OCP) certification program and is the second exam in the series of two exams required to earn the Oracle Database Administrator Certified Professional credential. 1Z0-083 Exam is designed to test the candidate's knowledge and skills in areas such as database backup and recovery, database performance tuning, security management, and database storage management.

Oracle Database Administration II Sample Questions (Q122-Q127):

NEW QUESTION # 122
Which two are true about Oracle Flashback features? (Choose two.)

A. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
B. FLASHBACK TABLE can undrop a column.
C. FLASHBACK DROP can undrop an index when undropping a table.
D. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
E. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.

Answer: A,D

NEW QUESTION # 123
Which three are true about opatchauto? (Choose three.)

A. It applies patches in nonrolling mode by default.
B. Patches are applied via opatchauto.
C. Users must always input patch plans to opatchauto.
D. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
E. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
F. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.
G. It must be invoked by a user with root user privileges.

Answer: E,F,G

Explanation:
A). It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process. => True
B). It must be invoked by a user with root user privileges. => true
C). Patches are applied via opatchauto. => not always.
D). Users must always input patch plans to opatchauto. => false, patch plans is optional
E). It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked. => false
F). It applies patches in nonrolling mode by default. => false, default is rolling mode.
G). It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations. => true Reference:
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/opatchauto_commands.htm#OPTCH585
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/configuration_patching.htm#OPTCH149

NEW QUESTION # 124
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A. The Statistics Advisor generates actions for all recommendations.
B. The Statistics Advisor can help recommend the best way to gather statistics.
C. Statistics collected using DBMS_STATS always yield the best optimizer result.
D. The number of table rows is considered when evaluating the cost of accessing a table using an index.
E. Index balanced B*Tree height is considered when evaluating the cost of using an index.

Answer: B,C

Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE

NEW QUESTION # 125
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

A. Data files can be converted on the destination system.
B. The password file is automatically converted by RMAN.
C. Data files can be converted on the source system.
D. Databases can be transported between systems with different endian formats.
E. A new DBID is automatically created for the transported database.
F. By default, the transported database will use Oracle Managed Files (OMF)

Answer: A,C,F

Explanation:
A: If you do not provide a destination, then the DB_FILE_CREATE_DEST initialization parameter must be set in the target platform. RMAN restores the data files to the location specified by this parameter using new Oracle Managed File (OMF) names.
BC: While creating the cross-platform backup to transport a database, you can convert the database either on the source database or the destination database. The benefit of performing the conversion on the destination database is that the processing overhead of the convert operation is offloaded from the source to the destination database.
D is incorrect. Convert operation will not change DBID explicitly. You will have to use DBNEWID utility to change if you wish to.
E is incorrect. The source platform and destination platform must use the same endian format.

NEW QUESTION # 126
Choose two. Which two are true about a Recovery Manager (RMAN) duplication without a TARGET connection?

A. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
B. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
C. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
D. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
E. The UNDO TABLESPACE clause is never required.

Answer: A,B

NEW QUESTION # 127
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