100% Pass 2026 Updated Oracle 1Z0-083: Mock Oracle Database Administration II Exams

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Performance Management and Tuning	20%	- 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 - SQL Tuning 1. Use SQL Tuning Advisor and SQL Access Advisor 2. Optimize SQL execution plans
High Availability and Security	15%	- Patching and Upgrades 1. Use AutoUpgrade utility 2. Apply patches and perform database upgrades - Data Guard Configuration 1. Set up physical and standby databases 2. Perform switchover and failover operations - Database Security 1. Manage encryption and data protection 2. Implement auditing and access controls
Managing Multitenant Architecture	35%	- PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Manage PDB snapshots and refreshable clones 3. Start, stop, open, and close PDBs - Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - CDB and PDB Creation and Configuration 1. Use Oracle Resource Manager for multitenant resource management 2. Create and configure CDBs and PDBs 3. Manage application containers and PDBs
Backup and Recovery	30%	- RMAN Configuration and Operations 1. Perform full, incremental, and archival backups 2. Configure RMAN settings and channels 3. Restore and recover databases, CDBs, and PDBs - Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery - 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 (Q160-Q165):

NEW QUESTION # 160
Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance? (Choose two.)

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

Answer: D,E

NEW QUESTION # 161
Choose two. You are managing this configuration: 1. CDB1 is a container database. 2. PDB1 and PDB2 are two pluggable databases in CDB1. 3. USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2 . CDB1 user SYS executes these commands after connecting successfully to PDB2: SQL> ALTER SESSION SET CONTAINER=pdb1; Session altered. SQL> INSERT INTO user1.emp VALUES (100, 'Alan' ,1) ; 1 row created. SQL> INSERT INTO user1.emp VALUES (101, 'Ben' ,1) ; 1 row created. SQL> ALTER SESSION SET CONTAINER=pdb2; Session altered. SQL> INSERT INTO user2.dept VALUES(1, 'IT'); Which two are true? Which two are true? (Choose two.)

A. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.
B. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
C. The insert on USER2.DEPT is uncommitted.
D. The inserts on USER1.EMP were committed when the session inserted a row into USER2. DEPT.
E. The inserts on USER1.EMP were committed when the session connected to PDB2.
F. The insert on USER2.DEPT fails because of the active transaction in the parent container.
G. The inserts on USER1.EMP were rolled back when the session connected to PDB2

Answer: A,F

NEW QUESTION # 162
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

A. The RMAN SHOW ALL command displays only settings with nondefault values.
B. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
C. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
D. A target database's persistent RMAN configuration settings are always stored in the target's control file
E. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
F. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
G. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.

Answer: C,D,G

NEW QUESTION # 163
A redaction policy was added to the SALcolumn of the SCOTT.EMPtable:

All users have their default set of system privileges.
For which three situations will data not be redacted? (Choose three.)

A. SYSTEM session, only if the MGR role is set in the session
B. SCOTT sessions, because he is the owner of the table
C. SYS sessions, regardless of the roles that are set in the session
D. SCOTT sessions, only if the MGR role is set in the session
E. SCOTT sessions, only if the MGR role is granted to SCOTT
F. SYSTEM sessions, regardless of the roles that are set in the session

Answer: C,E,F

NEW QUESTION # 164
Examine this configuration: 1. CDB1 is a container database. 2. COMMON_USER_PREFIX is C##. 3. PDB1 is a pluggable database contained in CDB1. 4. APP1_ROOTis an application container contained in CDB1. 5. APP1_PDB1 is an application PDB contained in APP1_ROOT. You execute these commands successfully: Which two are true? (Choose two.)

A. C##_APP_USER1 can be created in CDB1.
B. APP1_USER1can be created in CDB1.
C. APP1_USER1can be created in PDB1.
D. APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT.
E. C##_USER1will have the same privileges and roles granted in all PDBs in CDB1.
F. P1_USER1can be created in CDB1.

Answer: A,D

NEW QUESTION # 165
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