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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q87-Q92):

NEW QUESTION # 87
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?
(Choose two.)

A. A failure can be closed only when it has been repaired.
B. Data Recovery Advisor can be used if a database is closed.
C. Using the Data Recovery Advisor LIST FAILUREcommand always requires that the database for which failures are to be listed is in MOUNTstate.
D. The Data Recovery Advisor CHANGE FAILUREcommand can be used only to change failure priorities.
E. Data Recovery Advisor can proactively check for failures.

Answer: D,E

Explanation:
Explanation/Reference:

NEW QUESTION # 88
Examine this configuration:

You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

A. CDB1, PDB$SEED, and PDB1 only
B. CDB1, PDB$SEED, PDB1, and PDB2
C. CDB1, PDB1, and PDB2 only
D. CDB1 and PDB$SEED only
E. PDB$SEED, PDB1, and PDB2 only

Answer: D,E

NEW QUESTION # 89
Which two are true about an RPM-based Oracle Database installation? (Choose two.)

A. It includes the Oracle Preinstallation RPM.
B. It uses a service configuration script to create a single-instance database as part of the installation.
C. It performs a software-only Oracle Database installation.
D. It requires an Unbreakable Linux Network (ULN) subscription.
E. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.

Answer: A,D

NEW QUESTION # 90
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

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

Answer: C,D,F

Explanation:
Password file is automatically converted by RMAN.

NEW QUESTION # 91
Which three are true about Optimizer Statistics Advisor? (Choose three.)

A. It is part of the DBMS_STATS package.
B. It runs automatically every night by default.
C. It can be run only manually.
D. It can recommend changes to improve the statistics gathering process.
E. It is part of the DBMS_ADVISOR package.
F. It always analyzes all schemas in the database.

Answer: A,B,D

Explanation:
Explanation
https://mikedietrichde.com/2017/08/22/oracle-optimizer-statistics-advisor-in-oracle-database-12-2-0-1/
https://www.oracle.com/technetwork/database/bi-datawarehousing/twp-bp-for-stats-gather-19c-5324205.pdf

NEW QUESTION # 92
......

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