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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Managing CDBs and PDBs	- PDB Lifecycle Operations 1. Snapshot copy PDBs 2. Refreshable PDBs 3. Relocate PDBs - Multitenant Administration 1. Open and close PDBs 2. Manage application containers 3. Resource management
Database Upgrades and Patching	- Upgrade Operations 1. Post-upgrade validation 2. Upgrade execution 3. Database upgrade planning - Patch Management 1. Apply Release Updates 2. Rollback procedures 3. Manage Oracle patches
Database Duplication and Migration	- Transport and Migration 1. Data Pump operations 2. Transportable tablespaces - Database Duplication 1. Duplicate databases using RMAN 2. Active database duplication
Backup and Recovery	- Flashback Technologies 1. Flashback Table 2. Flashback Database 3. Flashback Drop - RMAN Configuration 1. Backup databases and archived logs 2. Configure RMAN settings 3. Manage backup retention policies - Restore and Recovery 1. Perform complete recovery 2. Recover CDBs and PDBs 3. Perform incomplete recovery
Performance Monitoring and Tuning	- Memory and Resource Optimization 1. Resource Manager 2. Memory management 3. Wait event analysis - SQL Tuning 1. SQL performance analysis 2. SQL Tuning Advisor 3. SQL execution plans - Performance Monitoring 1. Performance Hub 2. Automatic Workload Repository 3. Automatic Database Diagnostic Monitor
Creating CDBs and Regular PDBs	- Create and manage PDBs 1. Clone pluggable databases 2. Create PDBs from seed databases 3. Plug and unplug PDBs - Configure and create a CDB 1. Create container databases 2. Configure initialization parameters 3. Manage CDB architecture
Security in Multitenant Databases	- Auditing and Security 1. Security policies 2. Unified auditing - User and Privilege Management 1. Roles and privileges 2. Common users and local users

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Oracle Database Administration II Sample Questions (Q124-Q129):

NEW QUESTION # 124
Which three are true about an application container?

A. It can have new application PDBs created by copying PDB$SEED.
B. Two or more application PDBs in the same application container can be given exclusive access to some tables.
C. Two or more application PDBs in the same application container can share access to tables.
D. It always contains multiple applications.
E. It always has a new application PDBs created by copying PDB$SEED.
F. It always contains a single application.

Answer: A,B,C

NEW QUESTION # 125
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. Enable asynchronous disk I/O.
B. Increase the level of RMAN multiplexing.
C. Increase the size of tape I/O buffers.
D. Disable FORCE LOGGING for the database.
E. Increase the size of the database buffer cache.

Answer: D,E

NEW QUESTION # 126
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

A. It provides before and after execution statistics for each SQL statement in the analysis task
B. It predicts the impact of system changes on SQL workload response time.
C. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
D. It is integrated with the SQL Access Advisor.
E. SQL statements that were originally run concurrently are run concurrently by SPA.

Answer: B,C

Explanation:
Reference:
https://www.oracle.com/technetwork/database/manageability/spa-ow09-131455.pdf (4)

NEW QUESTION # 127
Which four are true about RMAN backup sets? (Choose four.)

A. A data file can be split into multiple sections stored in different backup sets.
B. A backup set must be written to media.
C. A backup set can contain only one backup piece.
D. Blocks from multiple data files can be contained in one backup piece,
E. Blocks from multiple data files can be contained in one backup set,
F. A backup piece can belong to only one backup set.
G. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
H. A backup set must be written to disk.

Answer: A,B,C,E

NEW QUESTION # 128
Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance? (Choose two.)

A. The entire PGA is located in the System Global Area (SGA) when using shared servers.
B. The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.
C. Sorts and Hash Joins use PGA memory.
D. The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers.
E. PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session.

Answer: C,D

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/memory-architecture.html#GUID-913335DF-050A-479A-A653-68A064DCCA41

NEW QUESTION # 129
......

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