Quiz 2026 Oracle Updated 1Z0-083: New Oracle Database Administration II Test Notes

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Backup and Recovery	30%	- Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery - 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 2: Managing Multitenant Architecture	35%	- CDB and PDB Creation and Configuration 1. Manage application containers and PDBs 2. Use Oracle Resource Manager for multitenant resource management 3. Create and configure CDBs and PDBs - PDB Lifecycle and Operations 1. Start, stop, open, and close PDBs 2. Manage PDB snapshots and refreshable clones 3. Clone, unplug, plug, and relocate PDBs - Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments
Topic 3: 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 4: Performance Management and Tuning	20%	- SQL Tuning 1. Use SQL Tuning Advisor and SQL Access Advisor 2. Optimize SQL execution plans - Database Performance Monitoring 1. Identify and resolve bottlenecks 2. Use AWR, ADDM, and ASH for analysis - Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management

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Oracle Database Administration II Sample Questions (Q238-Q243):

NEW QUESTION # 238
Which two are true about gathering optimizer statistics?

A. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics in all open pluggable databases (PDBs).
B. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics in all open PDBs except pdb$seed.
C. Executing dbms_stats.gather_database_stats while connected to a PDBopened in read/write mode gathers object statistics for that PDB.
D. Executing dbms_stats.gather_database_stats while connected to cdb$root gathers object statistics only in cdbSroot.
E. System statistics can be gathered only while connected to cdb$root.

Answer: A,D

NEW QUESTION # 239
Which three statements are true about Oracle database block space management?

A. A row can be migrated to a block in the same extent as the extent containing the original block.
B. An insert statement can result in a chained row.
C. A row can be migrated to a block in a different extent than the extent containing the original block.
D. An update statement cannot cause chained rows to occur.
E. An insert statement can result in a migrated row.

Answer: A,B,C

NEW QUESTION # 240
Which two are true about poorly performing SQL statements and their tuning in Oracle database instances?
(Choose two.)

A. SQL statements performing many physical I/Os can always have their performance improved by creating indexes.
B. SQL statements doing only logical reads never require tuning because they do no physical I/O.
C. The solution that best optimizes one SQL statement can degrade the performance of others.
D. SQL statements doing joins always do more physical I/O than single table queries.
E. Poorly performing SQL statements can be tuned automatically by the Oracle server.

Answer: B,E

NEW QUESTION # 241
Choose three. Which three are true about Oracle Restart?

A. It runs from the Oracle Grid Infrastructure home.
B. It can manage Oracle Database instances, Oracle Net Listeners, and Oracle Automatic Storage Management instances.
C. You can add and remove components from an Oracle Restart configuration with Server Control (SRVCTL) commands.
D. It is used in both clustered and non-clustered environments.
E. If you shut down a database instance with SQL*Plus, Oracle Restart interprets this as a database failure and attempts to restart the instance.
F. The Server Control (SRVCTL) utility can be used to start and stop Oracle Restart.

Answer: B,C,D

NEW QUESTION # 242
choose one You take regular backups of one of your production databases by using RMAN with a recovery catalog. You have added two new tablespaces to this database which must be included in future backups. Which process occurs which allows the new backups to contain the new datafiles?

A. The target database control file is synchronized from the recovery catalog with a partial resync at the next backup.
B. The recovery catalog is synchronized from the target database control file with a partial resync at the next backup.
C. The recovery catalog is synchronized from the target database control file with a full resync at the next backup.
D. The target database control file is synchronized from the recovery catalog with a full resync at the next backup.

Answer: C

NEW QUESTION # 243
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