Oracle 1Z0-083 Prüfung Übungen und Antworten

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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Managing Multitenant Architecture	35%	- PDB Lifecycle and Operations 1. Start, stop, open, and close PDBs 2. Clone, unplug, plug, and relocate PDBs 3. Manage PDB snapshots and refreshable clones - Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - CDB and PDB Creation and Configuration 1. Manage application containers and PDBs 2. Create and configure CDBs and PDBs 3. Use Oracle Resource Manager for multitenant resource management
Topic 2: 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. 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
Topic 3: Backup and Recovery	30%	- Flashback Technologies 1. Use Flashback in multitenant architecture 2. Recover from logical corruptions 3. Implement Flashback Database, Table, and Transaction - Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery - RMAN Configuration and Operations 1. Restore and recover databases, CDBs, and PDBs 2. Perform full, incremental, and archival backups 3. Configure RMAN settings and channels
Topic 4: High Availability and Security	15%	- Patching and Upgrades 1. Apply patches and perform database upgrades 2. Use AutoUpgrade utility - Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection - Data Guard Configuration 1. Perform switchover and failover operations 2. Set up physical and standby databases

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Oracle Database Administration II 1Z0-083 Prüfungsfragen mit Lösungen (Q65-Q70):

65. Frage
Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?

A. The Data Recovery Advisor change failure command can be used only to change failure priorities.
B. A failure can be closed only when it has been repaired.
C. Data Recovery Advisor can proactively check for failures.
D. Data Recovery Advisor can be used if a database is closed.
E. Using the Data Recovery Advisor list failure command always requires that the database for which failures are to be listed is in mount state.

Antwort: B,D

66. Frage
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

A. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
B. Backing up a database in ARCHIVE LOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
C. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the databased be in the MOUNT state.
D. An Oracle database can be restored from backup files copied using O/S utilities.
E. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
F. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
G. Backing up a database in ARCHIVE LOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

Antwort: D,E,F

67. Frage
Which two are true about changing the LOCAL_UNDO_ENABLEDproperty to false in a CDB? (Choose two.)

A. After the change, any user with the required privilege can create an undo tablespace in the PDBs.
B. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.
C. After the change, each existing PDB has to be reopened for the new undo mode to take effect.
D. Undo tablespaces existing in PDBs must be dropped before the change.
E. After the change, only one undo tablespace can exist in CDB$ROOT.
F. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.

Antwort: A,B

Begründung:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/creating-and-configuring-a- cdb.html#GUID-12ADA04D-F81D-4579-A68C-0958CC7D6C2F

68. Frage
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:

Which two are true? (Choose two.)

A. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
C. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
D. oracle will be an owner of the Oracle Inventory.
E. oracle must be the owner of every Oracle Database installation.

Antwort: B,D

Begründung:
The SYSASM Privilege for Administering Oracle ASM
SYSASM is a system privilege that enables the separation of the SYSDBA database administration privilege from the Oracle ASM storage administration privilege. Access to the SYSASM privilege is granted by membership in an operating system group that is designated as the OSASM group. This is similar to SYSDBA and SYSOPER privileges, which are system privileges granted through membership in the groups designated as the OSDBA and OSOPER operating system groups. You can designate one group for all of these system privileges, or you can designate separate groups for each operating system privilege.

69. Frage
Which three are true about opatchauto? (Choose three.)

A. Patches are applied via opatchauto.
B. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.
C. Users must always input patch plans to opatchauto.
D. It applies patches in nonrolling mode by default.
E. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.
F. It must be invoked by a user with root user privileges.
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.

Antwort: A,F,G

70. Frage
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