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Oracle 1z1-076 Exam Syllabus Topics:

Topic
Details

Topic 1

Enhanced Client Connectivity in a Data Guard Environment: This topic focuses on enhancing client connectivity in a Data Guard setup and implementing failover procedures for seamless client redirection. It also covers application continuity to ensure uninterrupted operations during role transitions.

Topic 2

Oracle Data Guard Broker Basics: An overview of the Data Guard broker, its architecture, components, benefits, and configurations, is provided here. It serves as an introduction to the tool used for managing Data Guard configurations.

Topic 3

Managing Oracle Net Services in a Data Guard Environment: The section focuses on Oracle Net Services and its role in Data Guard networking setup.

Topic 4

Performing Role Transitions: Here, the concept of database roles is explained, along with the steps for performing switchovers, failovers, and maintaining physical standby sessions during role transitions.

Topic 5

Backup and Recovery Considerations in an Oracle Data Guard Configuration: In this topic, Backup and recovery procedures in a Data Guard configuration are discussed, including RMAN backups, offloading to physical standby, and network-based recovery.

Topic 6

Patching and Upgrading Databases in a Data Guard Configuration: This section provides guidance on patching and upgrading databases in a Data Guard environment, along with performance optimization techniques and monitoring considerations.

Topic 7

Oracle Data Guard Basics: This topic covers the essential architecture and concepts of Oracle Data Guard. It includes sub-topics such as the physical and logical standby database comparison, benefits of Data Guard, and its integration with multi-tenant databases.

Topic 8

Creating a Logical Standby Database: This topic guides users through the process of creating and managing a logical standby database, including SQL Apply filtering.

Oracle Database 19c: Data Guard Administration Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which four requirements can be met by deploying a logical standby database?

A. It can be used to create additional schemas.
B. Support for workloads requiring additional materialized views.
C. It can be used for Real Application Testing without affecting the disaster recovery capabilities.
D. It can be used to create additional tables.
E. Support for workloads requiring additional indexes.
F. It must have the same physical structure as the primary database.
G. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.

Answer: B,C,D,E

Explanation:
A logical standby database is part of Oracle Data Guard and allows the standby database to be open for read-write operations, providing additional flexibility. The requirements met by a logical standby database include:
Support for workloads requiring additional materialized views (A): Logical standby databases can support materialized views, allowing for complex data summarization and reporting workloads.
It can be used to create additional tables (C): Unlike physical standby databases, logical standby databases allow for the creation of additional tables that do not exist in the primary database, enabling custom workloads and reporting.
It can be used for Real Application Testing without affecting the disaster recovery capabilities (E): Logical standby databases can be used to test application changes, patches, and upgrades while still maintaining their role as part of the disaster recovery strategy.
Support for workloads requiring additional indexes (F): Logical standby databases allow for the creation of additional indexes to optimize query performance for reporting and analytical workloads.
Reference:
Oracle Data Guard Concepts and Administration
Oracle Database High Availability Overview

NEW QUESTION # 51
Which three can be done using Data Guard Broker?

A. Monitoring and managing redo transport services, and log apply services.
B. Automating failover to a specified target standby database.
C. Converting physical standby databases to snapshot standby databases.
D. Create a new physical standby database.
E. Define logical standby database skip rules.
F. Configuring the standby control file, server parameter file, and data files for a standby database.

Answer: B,C,D

NEW QUESTION # 52
Which THREE steps are prerequisites for the creation of a physical standby database on a separate server using the RMAN active database duplication method?

A. startup nomount the standby database instance.
B. Establish user equivalence for the database software owner between the primary host and standby host.
C. Put the primary database into archivelog mode.
D. Set the DB_UNIQUE_NAME parameter on the primary database to a different value than that of the DB_NAME name parameter.
E. Configure Oracle Net connectivity on the primary host to the standby database instance.

Answer: A,B,E

Explanation:
Creating a physical standby database using RMAN active database duplication requires certain prerequisites to ensure a successful and seamless operation:
* Configure Oracle Net connectivity on the primary host to the standby database instance (A):
* Proper Oracle Net connectivity between the primary and standby servers is essential for communication and data transfer during the duplication process. Oracle Net services provide the network foundation for Oracle Database, Oracle Net Listener, and Oracle applications.
* Establish user equivalence for the database software owner between the primary host and standby host (B): User equivalence ensures that the user who owns the Oracle Database software on the primary server has the same privileges on the standby server. This is crucial for RMAN to perform operations on both servers without encountering permission issues.
* Startup nomount the standby database instance (C): The standby database instance needs to be started in the NOMOUNT stage before the duplication can begin. This prepares the environment for creating the control file and restoring the database without mounting it, which is a necessary step in the RMAN duplication process.References:
* Oracle Database Backup and Recovery User's Guide
* Oracle Data Guard Concepts and Administration

NEW QUESTION # 53
Which TWO statements are true for Data Guard environments with multi-tenant databases?

A. The Data Guard broker automatically always opens the pluggable databases of a standby database after a role change operation.
B. Different pluggable databases within a logical standby database may have different guard statuses.
C. The Data Guard broker automatically opens all pluggable databases of a primary database after a role change operation.
D. A multi-tenant standby database can have fewer pluggable databases than the primary container database.
E. The CDBDBA privilege must be used instead of the SYSDBA privilege for connections as SYS to the root container of a multi-tenant standby database.

Answer: B,D

NEW QUESTION # 54
You must configure flashback database for your Oracle 19c databases that will be part of a Data Guard Broker configuration.
The databases are all in ARCHIVELOG mode.
You will execute the SQL statement:
ALTER DATABASE FLASHBACK ON;
Which three are true concerning this command?

A. It will execute successfully while an Oracle 19c primary database is open.
B. If executed successfully on an Oracle 19c primary database, flashback will also be enabled on all logical standby databases that are part of the configuration.
C. It will execute successfully on an Oracle 19c logical standby database while SQL apply is active.
D. If executed successfully on an Oracle 19c primary database, flashback will also be enabled on all physical standby databases that are part of the configuration.
E. It will execute successfully on an Oracle 19c physical standby database while Real Time Query is active.
F. It will execute successfully while an Oracle 19c primary database is mounted.

Answer: A,C,F

Explanation:
The command ALTER DATABASE FLASHBACK ON; enables the Flashback Database feature, which provides a way to quickly revert an entire Oracle database back to a previous point in time. This command can be executed while an Oracle 19c primary database is either open (option A) or mounted (option B). It is also applicable to an Oracle 19c logical standby database while SQL Apply is active (option E). However, it's important to note that enabling Flashback Database on the primary does not automatically enable it on all associated standby databases, whether they are physical or logical. Each database in a Data Guard configuration must have Flashback Database explicitly enabled if desired. Real Time Query being active on a physical standby does not directly relate to the ability to execute this command on the standby. References:
The explanation is based on Oracle's concepts for Flashback Technology and Data Guard configurations as detailed in the Oracle Database Backup and Recovery User's Guide and the Oracle Data Guard Concepts and Administration guide.

NEW QUESTION # 55
......

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