100% Pass Updated Oracle - 1Z0-083 - Oracle Database Administration II Exam Guide

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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q133-Q138):

NEW QUESTION # 133
Which three are true about recovering tables using RMAN?

A. RMAN can recover tables owned by the SYS user.
B. RMAN can recover tables in a standby database.
C. RMAN can recover tables owned by the SYSTEM user.
D. RMAN can recover a table after a DDL operation has altered the table structure.
E. RMAN can recover tables in the SYSTEM tablespace.
F. RMAN always uses an auxiliary instance.
G. RMAN can recover tables in the SYSAUX tablespace.

Answer: C,D,F

NEW QUESTION # 134
Which two are true about RMAN encryption? (Choose two.)

A. RMAN encryption keys are stored in a database keystore.
B. RMAN can encrypt the Oracle Database password file.
C. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
D. Password encryption can be persistently configured using the CONFIGURE ENCRYPTIONcommand.
E. The SET ENCRYPTIONcommand overrides encryption settings specified by the CONFIGURE ENCRYPTIONcommand.

Answer: C,E

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/BRADV/rcmconfa.htm#BRADV89476

NEW QUESTION # 135
Which three are true about the FLASHBACK DATABASE feature? (Choose three.)

A. It requires that the target database be in ARCHIVELOG mode.
B. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.
C. It always generates REDO and UNDO.
D. FLASHBACK LOGS are archived after a log switch.
E. A database can be flashed back using SQL*PLUS.
F. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time.

Answer: A,C,E

Explanation:
A is wrong - they are never archived.
C is wrong - 19c docs: Queries do not change data and thus do not contribute to logging activity for Flashback Database.
D is wrong - according to documentation and my practice some ARCHIVE LOGs are required too.

NEW QUESTION # 136
choose four Which four are true about performance-related Oracle tools?

A. Database Replay always uses one replay client for each original database session.
B. The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two consecutive periods.
C. SQL Performance Analyzer can suggest schema changes.
D. The Active Session History (ASH) report is based on wait event samples.
E. Database Replay always uses one replay client for all the original database sessions.
F. The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two non-consecutive periods.
G. SQL Performance Analyzer can identify regressed SQL statements.

Answer: B,C,F,G

NEW QUESTION # 137
Which four are true about RMAN backup sets?

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

Answer: B,D,G,H

NEW QUESTION # 138
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