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Oracle 1z0-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	Monitoring a Data Guard Broker Configuration: The topic covers the use of Enterprise Manager and DGMGRL to monitor Data Guard configurations and explains the various data protection modes available.
Topic 4	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 5	Using Flashback Database in a Data Guard Configuration: This topic covers the configuration and advantages of using Flashback Database in a Data Guard setup, as well as the process of enabling fast-start failover for seamless role changes.
Topic 6	Using Oracle Active Data Guard: Supported Workloads in Read-Only Standby Databases: Here, the usage of physical standby databases for real-time queries is discussed.
Topic 7	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 8	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 9	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 10	Creating a Data Guard Broker Configuration: This section delves into the practical aspects of creating and managing a Data Guard broker configuration, including command-line and Enterprise Manager approaches.

Oracle Database 19c: Data Guard Administration Sample Questions (Q84-Q89):

NEW QUESTION # 84
Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to sync
4. Real-time query is enabled for both standby databases
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases?

A. Increase the size of standby redo log files on the standby databases.
B. Decrease the redo log file size on the primary database.
C. Increase the number of standby redo log files on the standby databases.
D. Increase the size of the buffer cache on the physical standby database instances.
E. Lower DB_BLOCK_CHECKING to MEDIUM or low on the standby databases.

Answer: A,E

Explanation:
To reduce the redo apply lag on standby databases, one could increase the size of the standby redo log files. Larger redo log files can accommodate more redo data, which may reduce the frequency of log switches and allow for more continuous application of redo data. Additionally, lowering the DB_BLOCK_CHECKING parameter to MEDIUM or LOW on the standby databases can help improve redo apply performance. High block checking can impose additional CPU overhead during the application of redo data, potentially increasing apply lag times. By reducing the level of block checking, you can lessen this overhead and help reduce the apply lag .

NEW QUESTION # 85
Which three are prerequisites for using Data Guard Broker?

A. The primary and standby databases must run the same version of the Oracle Database server.
B. The broker configuration files for a RAC database must reside in shared storage accessible by all the RAC database instances.
C. Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances.
D. DG_BROKEB_START must be set to TRUE for a database instance before adding the database to the broker configuration.
E. A statically defined listener end-point must be registered with the local listener on the servers hosting the standby database instances.
F. If any database in the configuration is a RAC database, then the broker configuration files must reside in shared storage accessible by all database instances for all databases in the broker configuration.

Answer: A,C,F

Explanation:
Data Guard Broker is a management tool that simplifies the configuration, management, and monitoring of Data Guard environments. The prerequisites for using Data Guard Broker include:
The primary and standby databases must run the same version of the Oracle Database server (A): This ensures compatibility between the primary and standby databases and enables seamless role transitions and data synchronization.
Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances (B): Proper network connectivity is essential for communication between the primary and standby databases, allowing for the replication of data and the synchronization of changes.
If any database in the configuration is a RAC database, then the broker configuration files must reside in shared storage accessible by all database instances for all databases in the broker configuration (D): In Real Application Clusters (RAC) environments, shared storage ensures that all instances of the RAC database can access the broker configuration files, facilitating the management of the Data Guard environment across all instances.
Reference:
Oracle Data Guard Broker documentation
Oracle Real Application Clusters Administration and Deployment Guide

NEW QUESTION # 86
Which TWO observations are true about the Far Sync instance?

A. Applies redo received
B. Includes a standby control file, password file, data files, standby redo logs, and archive logs
C. Can be created using the RMAN DUPLICATE command
D. Receives redo synchronously from the primary database
E. Can only be created using a series of SQL commands

Answer: A,D

Explanation:
A Far Sync instance is a special kind of Oracle Data Guard configuration that allows synchronous redo transport from a primary database to a remote standby database with minimum impact on the primary database's performance. The Far Sync instance receives redo data synchronously from the primary database (A), then ships it asynchronously to the remote standby database, thus extending zero data loss protection over longer distances and higher network latency environments than would be practical with a synchronous standby alone. The Far Sync instance does not apply the redo data; it just receives and ships it (E). A Far Sync instance does not have data files, and it cannot apply redo to stay synchronized with the primary database.
Reference:
Oracle Database High Availability Overview and Oracle Data Guard Concepts and Administration documentation detail the role and configuration of Far Sync instances, including how they contribute to achieving zero data loss disaster recovery over long distances.

NEW QUESTION # 87
Which two are true about managing and monitoring Oracle container databases in a Data Guard environment using the broker?

A. If the primary database is a container database, then a logical standby may be a non-container database.
B. After a role change, the broker opens all Pluggable databases (pdbb) on the new primary.
C. If the primary database is not a container database, then a standby may be a container database.
D. If the primary database is a container database, then a physical standby may be a non-container database.
E. All broker actions execute at the root container for container databases.

Answer: B,E

Explanation:
In the context of Oracle Data Guard and container databases (CDBs) managed by Data Guard Broker:
* All broker actions execute at the root container for container databases (D): When using Data Guard Broker to manage a CDB, the actions performed by the broker are executed at the level of the root container. This is because the root container maintains the control and configuration information that applies to the entire CDB, including all of its pluggable databases (PDBs).
* After a role change, the broker opens all Pluggable databases (PDBs) on the new primary (E):
Following a role transition such as a switchover or a failover, Data Guard Broker ensures that all PDBs within the CDB of the new primary database are opened, which is essential to resume operations of the PDBs without manual intervention.References:
* Oracle Data Guard Broker documentation
* Oracle Multitenant Administrator's Guide

NEW QUESTION # 88
Your Data Guard environment has two remote physical standby databases.
Client applications use the local naming method to define connectivity to the primary database instance.
Which will automatically redirect clients to the new primary database in case of a switchover or failover?

A. Set the LOCAL_LISTENER parameter for all the database instances, to register services with the default listener on the primary database host.
B. Configure a PRIMARY role service on the Primary and Standby and modify the Client connect descriptor to include both the Primary and the Standby.
C. Set the DB_NAME parameter identically on all databases; modify the connection descriptor on the clients to use DB_NAME to connect to the primary database instance.
D. Create a database service on the standby databases; automate the start of the service after a role change, and modify the connection descriptor on the clients to use that service.

Answer: D

NEW QUESTION # 89
......

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1z0-076 Test Material is of Great Significance for Your 1z0-076 Exam - ActualTorrent

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Oracle 1z0-076 Exam Syllabus Topics:

Oracle Database 19c: Data Guard Administration Sample Questions (Q84-Q89):

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