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Oracle Database 19c: Data Guard Administration Study Guide Provides You With 100% Assurance of Getting Certification - PassTorrent

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Oracle 1z0-076 Exam Syllabus Topics:

Topic
Details

Topic 1

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.

Topic 2

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 3

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 4

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 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

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 7

Managing Physical Standby Files After Structural Changes on the Primary Database: The topic covers managing structural changes in the primary database and their impact on physical standby files.

Topic 9

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 10

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 11

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 12

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

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Oracle Database 19c: Data Guard Administration Sample Questions (Q107-Q112):

NEW QUESTION # 107
Which feature is available when monitoring a Data Guard configuration using Enterprise Manager Cloud Control, but is not available using DGMGRL or by using SQL?

A. Performing a verify operation
B. Analyzing the dmon process trace file
C. Creating a broker configuration before creating the databases
D. Viewing a logical standby database apply lag
E. Automatic creation of standby redo logs

Answer: D

NEW QUESTION # 108
You must configure on Oracle Data .......
1. A primary database
2. Three Physical Standby Databases
Examine these requirements:
A designated physical standby database should become the primary database automatically whenever the primary database fails.
2. The chosen protection mode should provide the highest level of protection possible without violating the other requirement.
Which redo transport mode and protection mode would you configure to meet these requirements?

A. ASYNC and Maximum Performance
B. FASTSYNC and Maximum Protection
C. FASTSYNC and Maximum Availability
D. SYNC and Maximum Protection

Answer: C

Explanation:
To meet the requirements of automatic failover and the highest level of protection without data loss, the combination of FASTSYNC redo transport mode and Maximum Availability protection mode is appropriate. FASTSYNC ensures that the performance impact on the primary database is minimized while still providing synchronous transport. Maximum Availability protection mode offers the highest level of data protection without compromising the availability of the primary database. In case of a network failure or a standby failure, the primary will not halt, avoiding disruption to the primary database operations.
Reference
Oracle Data Guard Concepts and Administration guide, which details the different protection modes and their respective levels of data protection and impact on database operations.

NEW QUESTION # 109
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. Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances.
C. DG_BROKEB_START must be set to TRUE for a database instance before adding the database to the broker configuration.
D. 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.
E. A statically defined listener end-point must be registered with the local listener on the servers hosting the standby database instances.
F. The broker configuration files for a RAC database must reside in shared storage accessible by all the RAC database instances.

Answer: A,B,D

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.References:
* Oracle Data Guard Broker documentation
* Oracle Real Application Clusters Administration and Deployment Guide

NEW QUESTION # 110
Which two are true about managing and monitoring Oracle container databases in a Data Guard environment using the broker?

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

Answer: A,D

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.
Reference:
Oracle Data Guard Broker documentation
Oracle Multitenant Administrator's Guide

NEW QUESTION # 111
Examine this validate command:
DGMGRL> VALIDATE DATABASE VERBOSE "<database name>";
Which THREE statements are TRUE?

A. The command performs network connectivity checks between members of a broker configuration.
B. The command uses information available in various Oracle Data Guard views as well as the Automatic Diagnostic Repository.
C. The command performs a comprehensive set of database checks prior to a role change.
D. The command performs a comparison of SPFILE entries between the primary database and a specified standby database.
E. The command can be used for a logical standby database.

Answer: A,C,E

Explanation:
The command performs a comprehensive set of database checks prior to a role change (A): The VALIDATE DATABASE command in Data Guard Manager (DGMGRL) is designed to perform an exhaustive check of a specified database's readiness for a role change, such as a switchover or failover.
The command performs network connectivity checks between members of a broker configuration (C): One of the checks includes verifying that the necessary network connectivity exists between the databases in a Data Guard Broker configuration.
The command can be used for a logical standby database (D): The VALIDATE DATABASE command is versatile and can be used for both physical and logical standby databases to ensure their readiness for role changes.
Reference:
Oracle Data Guard Broker documentation
Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 112
......

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