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Oracle 1z1-076 Exam Syllabus Topics:

Topic
Details

Topic 1

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 3

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 4

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 5

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 6

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 7

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 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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q84-Q89):

NEW QUESTION # 84
Which two are true about managing and monitoring Oracle container databases in a Data Guard environment using the broker?

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

Answer: A,B

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

NEW QUESTION # 85
Which THREE statements are true about Far Sync instances?

A. They enable standby databases to be configured at remote distances from the primary without impacting performance on the primary.
B. The Data Guard Broker must be used to deploy and manage Far Sync instances.
C. They use an spfMe, a standby controlfile, and standby redo logs.
D. They work with any protection level.
E. A primary database can ship redo directly to multiple Far Sync instances.

Answer: A,B,E

NEW QUESTION # 86
Which TWO observations are true about the Far Sync instance?

A. Receives redo synchronously from the primary database
B. Includes a standby control file, password file, data files, standby redo logs, and archive logs
C. Can only be created using a series of SQL commands
D. Can be created using the RMAN DUPLICATE command
E. Applies redo received

Answer: A,E

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 # 87
Your Data Guard environment contains a primary database and three standby databases with these attributes:
1. prod : Primary database
2. prod_prq : Physical standby database with real-time query enabled used by reporting applications
3. prod_lsby: Logical standby database used by DSS
4. PROD_SSBY: Snapshot standby database used for Real Application Testing Which TWO can be used to prevent clients from connecting to the wrong database instance?

A. Create role based services with the si vet] utility when using clusterware for Oracle RAC databases or Oracle Restart for single instance Oracle databases.
B. Create database services for each database and use event triggers to make sure that services are activated only when the database is in the correct role.
C. Establish Oracle Net connectivity to the primary database instance from all the standby database instances.
D. Create database services on each of the standby databases, start the services, and add connection descriptors on the clients to connect to those services.
E. Create a static service for each of the databases, register it with the local listener of each database instance, and add connection descriptors on clients to connect to those services.

Answer: B,D

Explanation:
Creating dedicated database services for each database instance (Option D) and utilizing event triggers to manage these services based on the role of the database (Option E) ensure that clients connect to the appropriate database instance based on its current role and state. This approach leverages the flexibility and control provided by Oracle Net services and database event management to direct client connections to the suitable primary or standby instance, enhancing the overall robustness and reliability of the Data Guard environment. References: Based on Oracle Database 19c best practices for managing connectivity and services in a Data Guard setup, including the use of role-based services and event-driven service management.

NEW QUESTION # 88
Your Data Guard environment contains a four-instance RAC primary database whose SID is PROD and a RAC physical standby database whose std is PROD_SBY.
Examine the command executed on a node of the primary database cluster to create a service OLTPWORKLOAD that the applications will use to connect to the database when it is in the FRlMARYTclatabase role:
srvctl add service -db PROD -service oltpworkload -role PRIMARY -failovertype SESSION -failovermethod BASIC -failoverdelay 10 -failoverretry 150 The service is then started Consider this list of tasks:
1. On a node of the standby database cluster execute:
srvctl add service -db PROD_SBY -service oltpworkload -role PRIMARY -failovertype SESSION
-failovermethod BASIC -failoverdelay 10 -failoverretry 150
2. On the primary database, create the oltpworkload database service using the dbms_service.create_service procedure.
3. Configure tap for clients in the tnsnames.ora files.
4. Make sure clients use the OLTPWORKLOAD service to connect to the database instances.
5. On the standby database, create the oltpworkload database service using the dbms_service.create_servi;l procedure.
Identify the required steps to configure and use Transparent Application Failover (taf).

A. 0
B. 1
C. 2,3,4
D. 1.4
E. 3,4
F. 1,3,4

Answer: D

Explanation:
To set up Transparent Application Failover (TAF) in a Data Guard environment with RAC, you would need to:
* On a node of the standby database cluster, execute the srvctl command to add the oltpworkload service for the PRIMARY role (1): This prepares the standby cluster to provide the oltpworkload service in case a failover occurs, and the standby becomes the primary database.
* Make sure clients use the OLTPWORKLOAD service to connect to the database instances (4):
This ensures that client connections are directed to the correct service, which is managed by TAF and can fail over in case of a primary database outage.References:
* Oracle Real Application Clusters Administration and Deployment Guide
* Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 89
......

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