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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance Management and Tuning	20%	- Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks - Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management - SQL Tuning 1. Use SQL Tuning Advisor and SQL Access Advisor 2. Optimize SQL execution plans
Topic 2: High Availability and Security	15%	- Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection - Patching and Upgrades 1. Apply patches and perform database upgrades 2. Use AutoUpgrade utility - Data Guard Configuration 1. Set up physical and standby databases 2. Perform switchover and failover operations
Topic 3: Backup and Recovery	30%	- Advanced Recovery Scenarios 1. Perform point-in-time recovery 2. Recover from critical data file or control file loss - RMAN Configuration and Operations 1. Perform full, incremental, and archival backups 2. Restore and recover databases, CDBs, and PDBs 3. Configure RMAN settings and channels - Flashback Technologies 1. Use Flashback in multitenant architecture 2. Implement Flashback Database, Table, and Transaction 3. Recover from logical corruptions
Topic 4: Managing Multitenant Architecture	35%	- PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Start, stop, open, and close PDBs 3. Manage PDB snapshots and refreshable clones - Upgrading and Transporting 1. Upgrade CDB and PDB environments 2. Transport data between multitenant environments - CDB and PDB Creation and Configuration 1. Use Oracle Resource Manager for multitenant resource management 2. Create and configure CDBs and PDBs 3. Manage application containers and PDBs

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Oracle Database Administration II Sample Questions (Q245-Q250):

NEW QUESTION # 245
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)

A. Disable FORCE LOGGING for the database.
B. Increase the level of RMAN multiplexing.
C. Increase the size of the database buffer cache.
D. Enable asynchronous disk I/O.
E. Increase the size of tape I/O buffers.

Answer: B,C

NEW QUESTION # 246
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A. Existing Oracle Database instances must be shut down before starting the upgrade.
B. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
C. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
D. An existing Oracle base can be used.
E. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
F. Only the grid user can perform the upgrade.

Answer: A,C,D

NEW QUESTION # 247
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)

A. using operating system file copy utilities
B. using the CREATE TABLE AS SELECT SQL statement
C. using Database Replay
D. using Database Upgrade Assistant
E. using Oracle Data Pump
F. using SQL Developer

Answer: B,D,E

Explanation:
Explanation
https://www.oracle.com/a/tech/docs/twp-upgrade-oracle-database-19c.pdf

NEW QUESTION # 248
Choose the best answer. Examine this output of an export from the current release of an Oracle multitenant database: $ sqlplus system/oracle . SQL> col name for a10 SQL> select name, open_mode from v$pdbs; NAME OPEN_MODE ---------------------------------------PDB$SEED READ ONLY PDB1 READ WRITE PDB2 MOUNTED SQL> exit Next you execute: $ expdp system/oracle full=y What is the outcome?

A. It creates a full export of the root
B. It creates a full export of only the used while connected to the root container and PDB1. container and all PDBs. container and all open PDBs. root container.
C. It fails because Data Pump cannot be container.
D. It creates a full export of the root

Answer: C

NEW QUESTION # 249
Choose two. 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. The source PDB can be in MOUNT or OPEN state.
C. The source PDB must not be an application root.
D. Automatic conversion of endianess occurs.
E. The source PDB must be in MOUNT state.
F. The source and target platforms must have the same endianess.

Answer: A,E

NEW QUESTION # 250
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