100% Pass Quiz Oracle - 1z0-076 - Oracle Database 19c: Data Guard Administration–Reliable Original Questions

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Oracle 1z0-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 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 4	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 5	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 6	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 7	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 8	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	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 10	Creating a Logical Standby Database: This topic guides users through the process of creating and managing a logical standby database, including SQL Apply filtering.
Topic 11	Managing Oracle Net Services in a Data Guard Environment: The section focuses on Oracle Net Services and its role in Data Guard networking setup.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q24-Q29):

NEW QUESTION # 24
You created two remote physical standby databases using SQL and RMAN.
The primary database is a four-instance RAC database and each physical standby database has two instances.
Roles-based services are used for client connectivity and have been defined in the Grid Infrastructure.
Consider these operational requirements:
* The ability to manage multiple standby databases with a single tool
* The simplification of switchovers, failovers, reinstatements, and conversions to and from snapshot standby databases
* The automation of failovers to a specified target standby database
Which TWO tools can be used to fulfill these requirements7

A. Enterprise Manager Cloud Control
B. DGMGRL
C. SRVCTL
D. GDCCTL
E. RMAN
F. CRSCTL
G. SQL*Plus

Answer: A,B

Explanation:
Enterprise Manager Cloud Control provides a graphical interface to manage multiple standby databases, simplify switchovers and failovers, and automate failover processes to a specified target standby database. It offers a comprehensive view and control over the Data Guard configuration, making complex operations more manageable.
DGMGRL is a command-line tool specifically designed for managing Data Guard configurations. It allows the administration of multiple standby databases, simplifies the execution of switchovers and failovers, reinstatements, and conversions to and from snapshot standby databases, and supports the automation of failover processes to a specified standby database.
Other options like RMAN, SQL*Plus, CRSCTL, SRVCTL, and GDCCTL do not provide the same level of integrated management functionality for Data Guard environments as Enterprise Manager Cloud Control and DGMGRL.

NEW QUESTION # 25
Which TWO are benefits of using Transaction Guard in a Data Guard environment?

A. It protects against logical corruptions being replicated to standby databases.
B. It provides application continuity by replaying transactions interrupted by a failover or a switchover
C. It protects against user errors being replicated to standby databases.
D. It provides application continuity by rolling back uncommitted transactions interrupted by a failover or switchover.
E. It protects against recoverable errors during a planned or an unplanned outage of a primary database.

Answer: D,E

Explanation:
Transaction Guard provides benefits in terms of transaction consistency and recovery in a Data Guard environment:
It provides application continuity by rolling back uncommitted transactions interrupted by a failover or switchover (B): Transaction Guard ensures that any uncommitted transactions at the time of an outage are rolled back consistently, thus preserving the integrity of the application's data and state.
It protects against recoverable errors during a planned or an unplanned outage of a primary database (D): Transaction Guard offers protection against errors that can occur during outages, allowing applications to resume operations more quickly and reliably after recovery.
Reference:
Oracle Database High Availability Overview
Oracle Real Application Clusters Administration and Deployment Guide

NEW QUESTION # 26
You must configure an Oracle Data..........
1. A primary database
2. A physical standby database
Examine these requirements: 1. Data loss is not permitted.
1. Data loss is not permitted.
2. It should be possible to convert the physical standby database to a snapshot standby database.
3. Under normal operations, transactions should commit when redo is written to disk on the primary database and as soon as it has been received by the standby database instance.
4. The availability of the primary database should not be compromised by the availability of the standby database.
5. It should be possible to convert the physical standby database to a logical standby database
6. It should be possible to deploy Real Application Clusters on the primary database.
7. It should be possible to deploy Real Application Clusters on the physical standby database.
You configure SYNC redo transport mode in combination with Maximum Protection mode.

A. 1, 2, 3, 4, 5, 6, and 7
B. 1, 2, 3, 6, and 7
C. 1, 2, and 5
D. 1, 2, 6, and 7
E. 1, 6, and 7

Answer: A

Explanation:
When SYNC redo transport mode is combined with Maximum Protection mode, it ensures that no data loss will occur (requirement 1). The physical standby can be converted to a snapshot standby (requirement 2) and later to a logical standby database (requirement 5), satisfying both transformation requirements. Transactions commit as soon as redo data is received by the standby database (requirement 3). The availability of the primary is not dependent on the standby database in Maximum Protection mode, as the primary database will halt if the standby cannot acknowledge the redo (requirement 4), thus indirectly ensuring its availability. It is also possible to deploy Real Application Clusters on both the primary (requirement 6) and the physical standby database (requirement 7), providing high availability and scalability.
ReferencesOracle Data Guard documentation detailing the requirements for different database roles, protection modes, and redo transport modes, as well as the capabilities and limitations of each configuration.

NEW QUESTION # 27
Which two are true concerning the configuring of Flashback database in a Data Guard environment?

A. It enables the use of far sync instances.
B. It is a prerequisite for the use of Fast Start Failover.
C. It is required in order for a snapshot standby database to be converted to a physical standby database.
D. It permits a primary database that was disabled after failover to be reinstated as a standby.
E. It permits a physical standby database to be converted to a snapshot standby database.

Answer: D,E

NEW QUESTION # 28
Which TWO are TRUE about offloading backups to a physical standby database in a Data Guard environment?

A. The standby database must be registered in an RMAN catalog before the primary database has been registered.
B. The standby database can not be registered in an RMAN catalog if the primary database has not been registered.
C. The standby database must be registered in an RMAN catalog after the primary database has been registered.
D. Backups of the standby control file taken while connected to the catalog where the database is registered, may be used to restore the control file on the primary database.

Answer: C,D

Explanation:
In a Data Guard environment, offloading backups to a physical standby database has certain requirements:
A: Once the primary database is registered in an RMAN catalog, the standby database can also be registered. This allows RMAN to manage backups coherently across both databases and leverage the standby database for backup purposes without interfering with the primary database's workload.
C: Backups of the standby control file taken while connected to the catalog where the database is registered can be used to restore the control file on the primary database. This ensures that backup metadata is consistent across the Data Guard configuration.
Options B and D are incorrect because there is no strict requirement for the order in which the primary and standby databases must be registered in an RMAN catalog. However, it is a common practice to register the primary database first.

NEW QUESTION # 29
......

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100% Pass Quiz Oracle - 1z0-076 - Oracle Database 19c: Data Guard Administration–Reliable Original Questions

Oracle 1z0-076 Exam Syllabus Topics:

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Oracle Database 19c: Data Guard Administration Sample Questions (Q24-Q29):

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