2025 1z1-076: High-quality New Oracle Database 19c: Data Guard Administration Dumps Questions

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Oracle 1z1-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 4	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 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 7	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 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.
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 11	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 12	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 13	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 14	Managing Oracle Net Services in a Data Guard Environment: The section focuses on Oracle Net Services and its role in Data Guard networking setup.

Oracle Database 19c: Data Guard Administration Sample Questions (Q94-Q99):

NEW QUESTION # 94
Suppose that you manage the following databases in your environment:
* boston: Primary database with a single PDB called DEVI
* london: Physical standby database protecting the PDB called DEVI
* orcl: Stand-alone database with a single PDB called PDB1 as a remote clone source You are planning to run the following command to create a remote clone in the primary database (boston) using pdbi in orcl:
Which are the THREE prerequisites for automating instantiation of the PDB in the standby database (london)?

A. Set standby_pdb_source_file_dblink to clone_link in the london database.
B. Set STANDBY_FILE_MANAGEMENT to auto in the london database.
C. Set STANDBY_PDB_SOURCE_FILE_DIRECTORY to <location of the PDB> in the london database.
D. Open PDBI (remote clone source) in Read Only.
E. Enable Active Data Guard in the _ondon database.
F. Open PDBI (remote clone source) in Read Write.

Answer: B,C,D

Explanation:
To automate the instantiation of a PDB in the standby database after creating a remote clone in the primary database, certain conditions must be met:
* Open PDBI (remote clone source) in Read Only (A): The source PDB from which the clone is created must be open in read-only mode to ensure a consistent state during cloning.
* Set STANDBY_PDB_SOURCE_FILE_DIRECTORY to <location of the PDB> in the london database (C): This parameter specifies the location on the standby database where the files from the source PDB should be placed.
* Set STANDBY_FILE_MANAGEMENT to auto in the london database (F): This parameter automates the management of file changes on the standby database when structural changes occur on the primary database, ensuring that the clone operation is reflected automatically on the standby.
References:
* Oracle Multitenant Administrator's Guide
* Oracle Data Guard Broker documentation

NEW QUESTION # 95
Which THREE are true about using flashback database in a Data Guard environment?

A. It may be used to flash back a physical standby that receives redo from a far sync instance.
B. When a flashback database operation is performed on a primary database, a physical standby database is also flashed back automatically.
C. You can use it when real-time apply is enabled in case the phylt may not be used to flash back a primary database after a failover to a logical standby.
D. You can use it when real-time apply is enabled in case the physical standby suffers from logical corruption.
E. When a flashback database operation is performed on a primary database, a logical standby database is also flashed back automatically.
F. It may not be used to flash back a primary database after a failover to a physical standby.

Answer: A,D,F

Explanation:
Flashback Database is a feature that allows reverting a database to a previous point in time, which is extremely useful in various Data Guard configurations:
It may be used to flash back a physical standby that receives redo from a far sync instance (C): Flashback Database can be used on a physical standby database to revert it to a past point in time, even when it is receiving redo data from a far sync instance. This can be particularly useful to recover from logical corruptions or unwanted changes.
You can use it when real-time apply is enabled in case the physical standby suffers from logical corruption (D): Even when real-time apply is enabled, which allows redo data to be applied to the standby database as soon as it is received, Flashback Database can be used to revert the physical standby database to a point in time before the logical corruption occurred.
It may not be used to flash back a primary database after a failover to a physical standby (E): After a failover has occurred from a primary to a physical standby database, making the standby the new primary, Flashback Database cannot be used to revert the old primary database to a state before the failover because the failover operation makes irreversible changes to the database role and configuration.
Reference:
Oracle Database Backup and Recovery User's Guide
Oracle Data Guard Concepts and Administration

NEW QUESTION # 96
Attempting to start the observer raises an error:
DGMGRL> start observer;
DGM-16954: Unable to open and lock the Observer configuration file
Failed.
Identify two possible ways to start the observer successfully.

A. Start the observer using a different observer configuration file.
B. Set the ObserverOverride property to TRUE before starting the observer.
C. Enable Fast-Start Failover before starting the observer.
D. Start the observer in a different working directory.
E. Create a broker configuration and enable Fast-Start Failover before starting the observer.

Answer: A,D

NEW QUESTION # 97
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. Viewing a logical standby database apply lag
B. Creating a broker configuration before creating the databases
C. Automatic creation of standby redo logs
D. Performing a verify operation
E. Analyzing the dmon process trace file

Answer: A

NEW QUESTION # 98
Which THREE statements are TRUE about Global Sequences when connected to a physical standby database with Real-Time Query enabled?

A. Their usage may have a performance impact on the physical standby database if the CACHE size is too small.
B. Their creation requires that a LOG archive_dest_n parameter be defined in the standby that points back to the primary.
C. Their usage will always have a performance impact on the primary database.
D. They must have the NOORDEK and CACHE options set.
E. If the CACHE option is set then the size of the cache must be at least 100.

Answer: A,C,D

Explanation:
Global Sequences are Oracle sequences that generate unique values across multiple instances in an Oracle RAC or a Data Guard configuration. Regarding their behavior and performance when connected to a physical standby database with Real-Time Query enabled:
A: The usage of Global Sequences can indeed have a performance impact on the primary database due to the need to generate unique values that are consistent across both primary and standby databases.
D: The performance impact on the physical standby database may occur if the CACHE size is too small. This is because the standby database will frequently have to access the primary database to replenish the cache, which can increase the load and potentially lead to performance degradation.
E: Global Sequences should have the NOORDER and CACHE options set. The NOORDER option ensures that sequence numbers are provided without guaranteeing sequence order, thus improving scalability and performance. The CACHE option is used to specify how many sequence values will be held in memory for faster access.
Option B is incorrect as the LOG_ARCHIVE_DEST_n parameter's definition for standbys pointing back to the primary does not directly pertain to the creation of sequences.
Option C is incorrect because there is no requirement that the size of the cache for a sequence must be at least 100. The CACHE size can be set to a different number based on specific use cases or performance considerations.

NEW QUESTION # 99
......

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2025 1Z1-076: HIGH-QUALITY NEW ORACLE DATABASE 19C: DATA GUARD ADMINISTRATION DUMPS QUESTIONS

2025 1z1-076: High-quality New Oracle Database 19c: Data Guard Administration Dumps Questions