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100% Pass 2025 Marvelous Oracle 1z0-076: Oracle Database 19c: Data Guard Administration Reliable Braindumps Questions

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Oracle 1z0-076 Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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 3

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 4

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

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 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

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 10

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.

Oracle Database 19c: Data Guard Administration Sample Questions (Q70-Q75):

NEW QUESTION # 70
Examine this list of possible steps:
1. Raise the compatibility level on both databases.
2. Restart SQL Apply on the upgraded logical standby database.
3. Start SQL Apply on the old primary database.
4. Perform a Switchover to the logical standby database.
5. Upgrade the logical standby database.
6. Upgrade the old primary database.
Which is the minimum number of steps in the correct order, to perform a rolling release upgrade of a data guard environment using an existing logical standby database and to enable the new functionality?

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

Answer: D

Explanation:
The process of performing a rolling release upgrade in a Data Guard environment using a logical standby database generally involves these steps:
Raise the compatibility level on both databases (1): Ensuring both the primary and logical standby databases are operating with the same and correct compatibility level is essential before starting the upgrade process.
Upgrade the logical standby database (5): Apply the database upgrade to the logical standby first, which allows the primary database to continue serving the workload without interruption.
Restart SQL Apply on the upgraded logical standby database (2): Once the logical standby has been upgraded, SQL Apply must be restarted to apply the redo data from the primary database, which is still running the earlier version.
Perform a switchover to the logical standby database (4): After confirming that the logical standby database is successfully applying redo data, perform a switchover to make it the new primary database.
Upgrade the old primary database (6): With the new primary database now in place, upgrade the old primary database (which is now the new standby) to the new Oracle Database release.
Start SQL Apply on the old primary database (3): Finally, start SQL Apply on what is now the standby database to synchronize it with the new primary database.
Reference:
Oracle Data Guard Concepts and Administration Guide
Oracle Database Upgrade Guide

NEW QUESTION # 71
Which THREE statements are true about Far Sync instances?

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

Answer: B,C,E

Explanation:
Far Sync instances are a feature of Oracle Data Guard designed to support zero data loss protection over long distances:
* The Data Guard Broker must be used to deploy and manage Far Sync instances (A): Data Guard Broker simplifies the deployment and management of Far Sync instances, which are an integral part of zero data loss protection configurations.
* They enable standby databases to be configured at remote distances from the primary without impacting performance on the primary (C): Far Sync instances are designed to receive redo from the primary database and then forward it to a remote standby database, thereby avoiding any performance
* impact on the primary database itself.
* A primary database can ship redo directly to multiple Far Sync instances (E): A primary database can be configured to send redo logs to more than one Far Sync instance, which can then forward the redo to their respective remote standby databases.References:
* Oracle Data Guard Concepts and Administration Guide
* Oracle Database High Availability Overview

NEW QUESTION # 72
Examine the procedure that you plan to execute on your logical standby:
SQL> EXECUTE DBMS_LOGSTDBY.SKIP(stmt => 'DML', schema_name => 'HR', object_name => 'EMPLOYEE'); What is a prerequisite for execution of this procedure?

A. Stop redo transport to the logical standby database.
B. Change the redo transport mode if necessary to ASYNC.
C. Execute the DBMS_LOGSTDBY.APPLY_SET procedure to record errors that might cause SQL Apply to stop.
D. Stop SQL Apply on the logical standby database.

Answer: D

NEW QUESTION # 73
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. Set STANDBY_FILE_MANAGEMENT to auto in the london database.
C. Set standby_pdb_source_file_dblink to clone_link in the london database.
D. Open PDBI (remote clone source) in Read Write.
E. Enable Active Data Guard in the _ondon database.
F. Open PDBI (remote clone source) in Read Only.

Answer: A,B,F

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 # 74
Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
dogs - Primary database
sheep - Snapshot standby database
cats - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
You receive an error while attempting to raise the protection mode to Maximum Protection:
DGMGRL> edit configuration set protection mode as maxprotection;
Error: ORA-16627: operation disallowed since no standby databases would remain to support protection mode Failed.
Which is the minimum statement, or sequence of statements you must execute to enable successful raising of the protection mode to Maximum Protection?

A. DGMGRL> edit database dogs set property LogxptMode=sync;
DGMGRL> edit database sheep set property LogxptMode=sync;
B. DGMGRL> edit database sheep set property LogXptMode=sync;
C. DGMGRL> edit database dogs set property LogxptMode=sync;
D. DGMGRL> edit database cats set property LogXptMode=sync;
E. DGMGRL> edit database dogs set property LogXptMode=sync;
DGMGRL> edit database cats set property LogXptMode=sync;
F. DGMGRL> edit database dogs set property LogXptMode=sync;
DGMGRL> edit database sheep set property LogxptMode=sync;
DGMGRL> edit database cats set property LogXptMode=sync;

Answer: E

NEW QUESTION # 75
......

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