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Oracle 1z0-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 3	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 4	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 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	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 7	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 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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q90-Q95):

NEW QUESTION # 90
Which four statements are true regarding SQL Apply filters for a logical standby database?

A. They can be used to stop SQL apply if it encounters an error.
B. They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).
C. They can only be used to skip DML statements on a table.
D. They can be used to skip ALTE1 STEM and ALTER DATABASE commands.
E. They can be used to skip ALTER TABLE commands on specific tables.
F. They can be used to skip execution of DML triggers on a table while allowing the DML to execute.
G. They can be used to skip CREATE TABLE commands.

Answer: D,E,F,G

Explanation:
Based on the Oracle Database 19c documentation, the correct answers about SQL Apply filters for a logical standby database are:
A). They can be used to skip execution of DML triggers on a table while allowing the DML to execute.
B). They can be used to skip CREATE TABLE commands.
C). They can be used to skip ALTER SYSTEM and ALTER DATABASE commands.
G). They can be used to skip ALTER TABLE commands on specific tables.
Comprehensive Detailed Explanation:
SQL Apply filters in a logical standby database can be set to control which SQL operations are applied to the standby. These filters allow for certain commands to be skipped, ensuring that they do not impact the standby database. For example, filters can be used to skip the execution of DML triggers to prevent them from firing during SQL Apply, while still allowing the underlying DML to be executed on the logical standby database. This is particularly useful when certain triggers are not desired to run in a standby environment. CREATE TABLE, ALTER SYSTEM, ALTER DATABASE, and specific ALTER TABLE commands can also be skipped using SQL Apply filters to prevent unwanted structural changes or administrative operations from affecting the logical standby database. These capabilities provide a level of control to ensure that the logical standby database reflects only the desired state of the primary database.
Reference:
Oracle Database SQL Language Reference and Oracle Data Guard Concepts and Administration guide offer comprehensive details on the use of SQL Apply filters, including the range of SQL statements that can be influenced by these filters in a logical standby database environment.

NEW QUESTION # 91
Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
dogs - Primary database
cats - Snapshot standby database
sheep - Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status:
ORA-01034: ORACLE not available
ORA-16625: cannot reach database "dogs"
DGM-17017: unable to determine configuration status
ou wish to perform a failover to sheep. Which command, or sequence of commands, should you issue to the broker before executing failover to sheep; using the broker?

A. None, because you can directly failover to a Snapshot Standby Database.
B. DGMGRL> convert database cats to physical standby;
C. DGMGRL> convert database sheep to physical standby;
D. DGMGRL> convert database cats to physical standby;
E. DGMGRL> convert database sheep to physical standby;
DGMGRL> edit configuration set protection mode as maxperformance;
DGMGRL> convert database sheep to physical standby;

Answer: C

NEW QUESTION # 92
Examine the fast-start failover configuration:

A. A failover may occur if the observer has lost connectivity to the primary database, even if the Fast-Start Failover target standby database has a good connection to the primary database
B. The observer will initiate a failover when the primary database is unable to produce local archived redo log files.
C. You must disable fast-start failover first to change the fast-start failover target to East sales.
D. If South_Sales develops a problem and cannot be the target of a failover, the broker automatically changes the fast-start failover target to one of the other candidate targets.
E. The observer is running.

Answer: A,B,E

NEW QUESTION # 93
Which four requirements can be met by deploying a logical standby database?

A. Support for workloads requiring additional materialized views.
B. It can be used for Real Application Testing without affecting the disaster recovery capabilities.
C. It can be used to create additional tables.
D. Support for workloads requiring additional indexes.
E. It must have the same physical structure as the primary database.
F. It must provide a disaster-recovery solution that protects all data with capability of performing switchovers and failovers.
G. It can be used to create additional schemas.

Answer: A,B,C,D

Explanation:
A logical standby database is part of Oracle Data Guard and allows the standby database to be open for read-write operations, providing additional flexibility. The requirements met by a logical standby database include:
Support for workloads requiring additional materialized views (A): Logical standby databases can support materialized views, allowing for complex data summarization and reporting workloads.
It can be used to create additional tables (C): Unlike physical standby databases, logical standby databases allow for the creation of additional tables that do not exist in the primary database, enabling custom workloads and reporting.
It can be used for Real Application Testing without affecting the disaster recovery capabilities (E): Logical standby databases can be used to test application changes, patches, and upgrades while still maintaining their role as part of the disaster recovery strategy.
Support for workloads requiring additional indexes (F): Logical standby databases allow for the creation of additional indexes to optimize query performance for reporting and analytical workloads.
Reference:
Oracle Data Guard Concepts and Administration
Oracle Database High Availability Overview

NEW QUESTION # 94
You are planning to perform block comparison using the dbms comp package:

Which TWO statements are true?

A. It requires that the DB_LOST_WKITE_protect initialization parameter be enabled.
B. Logical standby databases can be the target database for the dbms_dbcomp.dbcomp procedure.
C. It can be used to detect lost writes and inconsistencies between the primary database and the cascaded standbys.
D. You can monitor the progress of an ongoing block comparison operation by querying VS SES SION_LONGOPS.
E. The databases should be at least mounted before block comparison.

Answer: D,E

Explanation:
The DBMS_COMPARISON package, used for comparing and converging data objects within a single database or between databases, requires that the databases involved in the block comparison be at least mounted (A). This allows the procedure to access the data blocks for comparison. Additionally, the progress of long-running operations such as block comparison can be monitored using the dynamic performance view V$SESSION_LONGOPS (D), which provides information on the operation's progress and estimated completion time.
Reference:
Oracle Database PL/SQL Packages and Types Reference provides comprehensive details on the DBMS_COMPARISON package, including its procedures and how to monitor their progress. Additionally, Oracle Database Reference explains the V$SESSION_LONGOPS view, which is commonly used for monitoring long operations in the database.

NEW QUESTION # 95
......

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1Z0-076 EXAM BIBLE - TRUSTWORTHY 1Z0-076 PRACTICE

1z0-076 Exam Bible - Trustworthy 1z0-076 Practice