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[General] 1z1-076 Simulations Pdf & Unlimited 1z1-076 Exam Practice

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【General】 1z1-076 Simulations Pdf & Unlimited 1z1-076 Exam Practice

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Oracle 1z1-076 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 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
  • 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 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
  • 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 6
  • 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 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
  • 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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q74-Q79):NEW QUESTION # 74
Which THREE statements are true........ open in real time query mode, which becomes a new.
  • A. User sessions and Current Buffers are maintained by default.
  • B. All sessions are disconnected and all
  • C. All current buffers can be retained.
  • D. User sessions can be retained.
  • E. Sessions that are using database links
  • F. Sessions that have long running queries can be retained.
Answer: B,C,D
Explanation:
When a physical standby database is opened in real-time query mode, which may be referred to as real-time apply when using Active Data Guard, certain operations can disrupt ongoing sessions. However, with features like Application Continuity and the proper configuration of initialization parameters such as STANDBY_DB_PRESERVE_STATES, user sessions and current buffers may be preserved during role transitions such as a switchover or failover. Specifically, the STANDBY_DB_PRESERVE_STATES parameter can be set to preserve none, all, or only user sessions during such transitions. This ensures that in-flight transactions are not lost and that users do not experience disruptions during the role transitions of a physical standby database.
References
* Oracle Data Guard Concepts and Administration
* Oracle Database Licensing Information User Manual
* Oracle Data Guard Broker User Manual

NEW QUESTION # 75
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. 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.
  • C. DG_BROKEB_START must be set to TRUE for a database instance before adding the database to the broker configuration.
  • D. Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances.
  • E. The broker configuration files for a RAC database must reside in shared storage accessible by all the RAC database instances.
  • F. A statically defined listener end-point must be registered with the local listener on the servers hosting the standby 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 # 76
Which TWO observations are true about the Far Sync instance?
  • A. Applies redo received
  • B. Can be created using the RMAN DUPLICATE command
  • C. Receives redo synchronously from the primary database
  • D. Includes a standby control file, password file, data files, standby redo logs, and archive logs
  • E. Can only be created using a series of SQL commands
Answer: A,C
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.
References: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 # 77
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. 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.
  • B. 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.
  • C. It will execute successfully while an Oracle 19c primary database is mounted.
  • D. It will execute successfully on an Oracle 19c physical standby database while Real Time Query is active.
  • E. It will execute successfully while an Oracle 19c primary database is open.
  • F. It will execute successfully on an Oracle 19c logical standby database while SQL apply is active.
Answer: C,E,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 # 78
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_DIRECTORY to <location of the PDB> in the london database.
  • B. Enable Active Data Guard in the _ondon database.
  • C. Open PDBI (remote clone source) in Read Only.
  • D. Set STANDBY_FILE_MANAGEMENT to auto in the london database.
  • E. Set standby_pdb_source_file_dblink to clone_link in the london database.
  • F. Open PDBI (remote clone source) in Read Write.
Answer: A,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.
Reference:
Oracle Multitenant Administrator's Guide
Oracle Data Guard Broker documentation

NEW QUESTION # 79
......
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