100% Pass 2026 Oracle Pass-Sure 1Z0-083: Exam Oracle Database Administration II Success

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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q123-Q128):

NEW QUESTION # 123
Which two are true about automatic block repair?

A. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
B. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
C. It is not possible for media corrupt blocks.
D. Automatic block repair can repair blocks with no standby database if db_block_checking = TRUE.
E. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.

Answer: B,C

NEW QUESTION # 124
You are administering a multitenant container database (COB) that contains two pluggable databases (PDBs), pdb1 and pdb2. You are connected to pdb2 as a common user with DBA privileges. The statistics_level parameter is PDB modifiable. As the user sys, execute the following command on pdb2: SQL> ALTER SYSTEM SET STATISTICS_LEVEL=ALL SID='*' SCOPE=SPFILE; Which statement is true about the result of this command?

A. The statistics_level parameter is set to all when any of the PDBs is reopened.
B. The statistics_level parameter is set to all when the root database is restarted.
C. The statement is ignored because there is no SPFILE for a PDB.
D. The statistics_level parameter is set to all only for PDB2 when it is reopened.

Answer: D

NEW QUESTION # 125
Which two are true about Oracle instance recovery? (Choose three.)

A. Recovery begins from the beginning of the CURRENT redo log group.
B. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
C. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).
D. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIV
E. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
F. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.

Answer: B,E,F

NEW QUESTION # 126
Examine this output: Which two are true? (Choose two.)

A. PDB1 is always limited to 40% of the available system resources regardless of demand.
B. Any PDB notspecified in the plan will be able to use a maximum of 16.5% of the available system resources.
C. PDB3 can use all available parallel execution processes at times.
D. PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.
E. Any PDB not specified in the plan will be unable to execute statements in parallel.
F. PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.

Answer: F

NEW QUESTION # 127
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

A. Application PDBs that are subsequently created in the APP1application container will be cloned from APP1$SEED.
B. APP1 can never be unplugged.
C. An application root PDB is created for APP1.
D. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
E. An application seed PDB is created for APP1.
F. A default service is created for the application root APP1.

Answer: C,D,F

Explanation:
AB not APP1$SEED created because not uses AS SEED
F is incorrect -> If not have any PDBs plug to the APP container, you can unplug an APP container.

NEW QUESTION # 128
......

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