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Free PDF Quiz 2025 1Z0-083: Oracle Database Administration II–High-quality Valid Exam Pass4sure

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Achieving the Oracle 1Z0-083 Certification is a significant achievement for database administrators, as it demonstrates their knowledge and skills in managing Oracle databases. It can also lead to career advancement opportunities, as employers often seek certified professionals to manage their critical database systems. Oracle Database Administration II certification is valid for three years, after which candidates can renew their certification by passing a recertification exam or by earning a different Oracle certification.

Oracle Database Administration II Sample Questions (Q279-Q284):

NEW QUESTION # 279
Choose three. Which three are true about corrupted data blocks and their recovery in an Oracle Database?

A. A media corrupt block is one where the block is not formatted correctly.
B. DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.
C. If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.
D. The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.
E. If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.
F. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.

Answer: C,D,F

NEW QUESTION # 280
Which three are true about requirements for various FLASHBACK operations? (Choose three.)

A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
B. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
C. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
D. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
E. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
F. FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.

Answer: A,B,D

NEW QUESTION # 281
Examine the command for creating pluggable database PDB2 in container database CDB2. Select three options, any one of which is required for it to execute successfully. (Choose three.)

A. Set only the PDB_FILE_NAME_CONVERT parameter.
B. Enable only OMF.
C. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
D. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
E. Add only the CREATE_FILE_DEST clause to the statement.
F. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.

Answer: A,B,E

NEW QUESTION # 282
Which two are true about RMAN encryption? (Choose two.)

A. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
B. RMAN encryption keys are stored in a database keystore.
C. RMAN can encrypt the Oracle Database password file.
D. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.
E. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.

Answer: A,E

NEW QUESTION # 283
Which three are true about managing memory components in an Oracle database instance? (Choose three.)

A. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
B. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
C. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
D. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
E. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
F. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.

Answer: A,D,F

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/TGDBA/tune_shared_pool.htm

NEW QUESTION # 284
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Eric Lewis Eric Lewis

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