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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q272-Q277):

NEW QUESTION # 272
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2. APP_ROOT is an application root in CDB1. 3. APP_PDB1 is an application PDB in APP_ROOT. 4. FLASHBACK DATABASE is ON. You execute these commands: $ sqlplus sys/orac1e_4U@localhost:1521/cdb1 SQL> SELECT current_scn FROM v$database; CURRENT_SCN -----------------------2074756 SQL> CREATE TABLE cdb1_tab(c1 NUMBER) ; Table created. SQL> ALTER SESSION SET CONTAINER=app_root; Session altered. SQL> CREATE TABLE app_root_tab (c1 NUMBER) ; Table created. SQL> ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL> CREATE TABLE app_pdb1_tab (c1 NUMBER) ; Table created. SQL> conn / as sysdba Connected. SQL> ALTER PLUGGABLE DATABASE app_root CLOSE; Pluggable database altered. SQL> FLASHBACK PLUGGABLE DATABASE app_root TO SCN 2074756; Flashback complete. Which table or set of tables will exist after the Flashback operation has completed?

A. CDB1_TAB and APP_ROOT_TAB
B. none of the tables, because all three tables will be dropped
C. CDB1_TAB and APP_PDB1_TAB
D. CDB1_TAB only
E. CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB

Answer: C

NEW QUESTION # 273
Which three are true about opatchauto?

A. It applies patches in nonrolling mode by default.
B. Users must always input patch plans to opatchauto.
C. It must be invoked by a user with root user privileges.
D. Patchsets are applied via opatchauto.
E. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
F. It Is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
G. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.

Answer: A,D,E

NEW QUESTION # 274
Examine this configuration:
17.CDB1is an Oracle Database 12c Release 2 container database (CDB).
18.PDB1and PDB2are two pluggable databases (PDBs) in CDB1.
After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment:

What is the outcome?

A. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
B. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
C. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
D. It fails because PDB$SEED is in MIGRATE state.
E. It fails because PDB2 is not in UPGRADE state.
F. Only CDB$ROOT and PDB$SEED are upgraded.

Answer: B

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/21/upgrd/upgrading-parallel- upgrade-utility-catctl-pl.html#GUID-C667B51C-058F-48B6-86FE-12E9D82FDDBD

NEW QUESTION # 275
Which two are true about the Oracle dataabse methodology? (Choose two.)

A. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
B. Tuning activities should stop once the user is satisfied with performance.
C. SQL statements should always be tuned before tuning any file systems.
D. The database instance memory should always be tuned before tuning any file systems.
E. The alert log should be used to find the database and instance areas most in need of tuning.
F. Tuning activities should stop once agreed service levels for performance have been met.

Answer: E,F

Explanation:
Reference:
https://flylib.com/books/en/4.322.1.9/1/

NEW QUESTION # 276
You are managing this configuration:
1. CDB1 is a container database.
2. BDB1 and PDB2 are two pluggable databases in CDB1.
3. user1 .EMP Is a table In PDBI and user2.DEPT is a table in PDB2.

Which two are true?

A. The inserts on USER 1 . 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 inserts on USER1 . EMP were committed when the session connected to pdb2.
D. The inserts on USER1.EMP were rolled back when the session connected to pdb2.
E. The insert on user2.dept fails because of the active transaction in the parent container.
F. The inserts on USER1. EMP were committed when the session inserted a row into user2 .dept.
G. The insert on user2.dept is uncommitted.

Answer: B,G

NEW QUESTION # 277
......

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