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Oracle 1Z1-083 certification exam is designed to test the skills and knowledge of database administrators who are responsible for managing Oracle databases. 1Z0-083 exam is the second level of certification in the Oracle Database Administration certification track and is intended for those who have already earned the Oracle Database Administration I certification. Passing 1Z0-083 exam demonstrates a high level of expertise in database administration and is highly valued in the IT industry.

Oracle 1Z0-083 (Oracle Database Administration II) Exam is a certification exam that covers advanced database administration concepts and practices. It is designed for professionals who are responsible for managing and maintaining complex database environments using Oracle Database technology. 1Z0-083 Exam is a part of the Oracle Database Administrator Certified Professional (OCP) certification path.

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Oracle Database Administration II Sample Questions (Q145-Q150):

NEW QUESTION # 145
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

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

Answer: D,E

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 # 146
Which three are true about SGA memory management in a multitenant database? (Choose three.)

A. The SGA_TARGET setting for a PDB cannot exceed 50%of the SGA_TARGET value of the root container.
B. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.
C. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.
D. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.
E. The SHARED_POOL_SIZE setting for a PDB can be up to 80%of the SHARED_POOL_SIZE setting of the root container.
F. SGA_MIN_SIZE cannot be set for a PDB.

Answer: A,C,D

NEW QUESTION # 147
RMAN has just been connected to a target database and the recovery catalog database.
In which two cases would an automatic partial resynchronization occur between this target database's control file and the RMAN recovery catalog?

A. When a backup of the current SPFILE is created.
B. When the target is first registered.
C. When any control file metadata for archive log backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.
D. When any control file metadata for data file backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.
E. When a new data file is added to a tablespace in a registered target database.

Answer: B,E

Explanation:
In a full resynchronization, RMAN updates all changed records, including those for the database schema. RMAN performs a full resynchronization after structural changes to database (adding or dropping database files, creating new incarnation, and so on) or after changes to the RMAN persistent configuration.
When a database is registered with a recovery catalog for the first time a full catalog synchronization is performed
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/managing-recovery- catalog.html#GUID-6B077FE7-8E10-4603-8FDB-CAE3357E85C9

NEW QUESTION # 148
Which two are true about Oracle Optimizer Statistics, their use, and their collection?

A. Statistics collected using DBMS_ATATS always yield the best optimizer result.
B. The Statistics Advisor can help recommend the best way to gather statistics.
C. The Statistics Advisor generates actions for all recommendations.
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: C,D

NEW QUESTION # 149
You plan to perform cross-platform PDB transport using XTTS. Which two are true?

A. A backup of the PDB must exist, taken using the BACKUP command with the To PLATFORM clause.
B. Automatic conversion of endianess occurs.
C. The source and target platforms must have the same endianess.
D. The source PDB must be in MOUNT state.
E. The source PDB can be in MOUNT or OPEN state.
F. The source PDB must not be an application root.

Answer: C,E

NEW QUESTION # 150
......

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Pass Guaranteed Quiz 2025 1Z0-083: Oracle Database Administration II–Trustable Reliable Test Forum

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