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1Z0-083 New Dumps | Valid 1Z0-083 Exam Review

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Oracle Database Administration II, also known as 1Z0-083, is an advanced level certification exam offered by Oracle Corporation. 1Z0-083 exam is designed to test the knowledge and skills of database administrators who are responsible for managing and maintaining complex Oracle databases. Passing 1Z0-083 Exam is a key step towards becoming an Oracle Certified Professional (OCP) in Database Administration.

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Oracle Database Administration II Sample Questions (Q262-Q267):

NEW QUESTION # 262
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

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

Answer: A,D,F

NEW QUESTION # 263
How do you configure a CDB for local undo mode?

A. Open the CDB instance in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.
B. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.
C. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.
D. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.
E. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and create an UNDO tablespace in each PDB, then restart the CDB instance.

Answer: E

NEW QUESTION # 264
Automatic Shared Memory Management is disabled for one of your database instances.
Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance.
What would be your next step?

A. Run the Memory Advisor for the Program Global Area.
B. Run the SQL Access Advisor.
C. Run the SQL Tuning Advisor.
D. Run the Memory Advisor for the System Global Area.
E. Run the Memory Advisor for the shared pool.

Answer: D

NEW QUESTION # 265
In which two situations can you use Database Upgrade Assistant? (Choose two.)

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

Answer: A,D

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/upgrd/upgrading-oracle- database-upgrade-assistant-dbua.html#GUID-F929338D-48EE-434F-A5F9-A9E7CD61B17F

NEW QUESTION # 266
Which three activities are possible for PDBs? (Choose three.)

A. converting an application PDB to an application root
B. converting an application seed to an application PDB
C. converting an application container into another application container in a different CDB
D. converting an application container into another application container in the same CDB
E. converting an application PDB to an application seed
F. converting a regular PDB to an application PDB
G. converting an application PDB to a regular PDB

Answer: D,F,G

NEW QUESTION # 267
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