Quiz Oracle - 1Z0-083–Valid Cert Exam

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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q27-Q32):

NEW QUESTION # 27
Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.)

A. It increases tablespace size, if required, to meet upgrade requirements.
B. It recompiles all stored PL/SQL code by using utlrp.sql.
C. It empties the RECYCLE BIN.
D. It performs prerequisite checks to verify if the Oracle database is ready for upgrade.
E. It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles
F. It sets all user tablespaces to "read-only" before starting the upgrade.

Answer: A,B,D

Explanation:
Reference:
https://oracle-base.com/articles/12c/upgrading-to-12c

NEW QUESTION # 28
Which three are true in Oracle 19c and later releases? (Choose three.)

A. If the password file location changes, then the new location is used automatically by the Oracle Server.
B. All the Oracle-supplied accounts are Schema Only accounts.
C. Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.
D. Unified Auditing can be configured to audit only events that are issued directly by an audited user.
E. Schema Only accounts can be granted administrator privileges.
F. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.

Answer: C,D,E

Explanation:
You can grant administrative privileges, such as SYSOPER and SYSBACKUP, to schema-only (passwordless) accounts. (B correct)
- Privilege analysis is now available as part of Oracle Database Enterprise Edition. (D correct)
- The unified auditing top-level statements feature enables you to audit top-level user (direct user) activities in the database without collecting indirect user activity audit data. (F correct)
https://docs.oracle.com/en/database/oracle/oracle-database/19/newft/new-features.html

NEW QUESTION # 29
choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE comman

A. It succeed
B. It fails because connection to the AUXILIARY instance must be as SYSD
C. Itsucceeds only if the target database is greater than 40
D. It fails because no parallel channels are allocated for the auxiliary databa
E. No catalogued backup of the TARGET is used to duplicate the databa

Answer: A,E

NEW QUESTION # 30
A database is configured in ARCHIVELOGmode.
Full RMAN backups are taken and no backup to trace has been taken of the control file.
A media failure has occurred.
In which two scenarios is complete recovery possible? (Choose two.)

A. after losing an archived log from after the most recent backup
B. after losing the SYSTEMtablespace
C. after losing all copies of the control file
D. when any archived log from, before, or after the most recent backup is corrupt.
E. after losing an archived log from before the most recent backup

Answer: D,E

NEW QUESTION # 31
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 insert on USER2.DEPT is uncommitted.
B. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
C. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.
D. The inserts on USER1.EMP were committed 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 inserts on USER1.EMP were rolled back when the session connected to PDB2

Answer: C,E

NEW QUESTION # 32
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