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Oracle 1z1-076 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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

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 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 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

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 8

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.

Oracle Database 19c: Data Guard Administration Sample Questions (Q100-Q105):

NEW QUESTION # 100
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. 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.
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. Set the LOCAL_LISTENER parameter for all the database instances, to register services with the default listener on the primary database host.

Answer: A

NEW QUESTION # 101
Your current Data Guard environment consists of:
A primary database containing no abstract data types used for user tables.
Two separate remote physical standby databases used for reporting.
Examine these requirements for adding a new standby database to this Data Guard environment:
The new standby database must provide a disaster recovery solution.
There must be minimal additional performance overheads on the primary database.
The new standby database may require additional indexes and materialized views not present in the primary.
New tables or schemas may be required in the standby database that are not present in the primary.
What would you recommend to fulfill these requirements?

A. A logical standby database with synchronous redo transport and redo apply on.
B. A physical standby database with synchronous redo transport and Real-Time Query enabled.
C. A logical standby database with asynchronous redo transport and SQL apply on.
D. A logical standby database with synchronous redo transport and SQL apply on.
E. A physical standby database with asynchronous redo transport and Real-Time Query enabled.

Answer: C

NEW QUESTION # 102
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. It will execute successfully on an Oracle 19c physical standby database while Real Time Query is active.
B. 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.
C. It will execute successfully on an Oracle 19c logical standby database while SQL apply is active.
D. It will execute successfully while an Oracle 19c primary database is open.
E. It will execute successfully while an Oracle 19c primary database is mounted.
F. 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.

Answer: C,D,E

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 # 103
Which FOUR database parameters might be affected by or influence the creation of standby databases?

A. db_file_name_convert
B. COMPATIBLE
C. STANDBY_ARCHIVE_DEST
D. FALSERVER
E. DB_NAME
F. ARCHIVE_LAG_TARGET

Answer: A,B,C,E

Explanation:
* DB_NAME (A): The name of the database, which should remain consistent across the primary and standby databases.
* db_file_name_convert (C): This parameter helps define the mapping of data file names from the primary to the standby database, which is crucial during the creation and operation of a standby database.
* COMPATIBLE (D): The compatibility level can influence the features that can be used on the standby database and must be consistent with or higher than that of the primary database, especially after upgrades.
* STANDBY_ARCHIVE_DEST (F): This parameter specifies the destination of archived redo log files on the standby database, which is important for log transport and apply services.
References:
* Oracle Data Guard Concepts and Administration Guide
* Oracle Database Reference

NEW QUESTION # 104
Which two statements are true when using non-rolling release upgrades in a Data Guard environment?

A. Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a logical standby database.
B. Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a physical standby database.
C. During the upgrade of a logical standby database, standby redo log files must reside on O/S file systems.
D. The compatible parameter on a standby database that is applying redo, must be equal to or greater than the compatible parameter on the primary that is shipping redo to that standby.
E. User equivalence must be established for the owner of the Oracle software on the affected hosts prior to the upgrade.

Answer: B,D

Explanation:
* The compatible parameter on a standby database that is applying redo, must be equal to or greater than the compatible parameter on the primary that is shipping redo to that standby (A):
This ensures that the standby database can apply redo from the primary, even after the primary has been upgraded. The COMPATIBLE parameter setting on the standby database should not preclude it from understanding the redo it receives.
* Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a physical standby database (C): When the primary database undergoes a non-rolling upgrade, any resulting data dictionary changes are transmitted through redo data and applied to the physical standby database.
References:
* Oracle Database Upgrade Guide
* Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 105
......

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