FREE PDF QUIZ 2025 RELIABLE ORACLE LATEST 1Z1-076 EXAM QUESTIONS

Free PDF Quiz 2025 Reliable Oracle Latest 1z1-076 Exam Questions

Free PDF Quiz 2025 Reliable Oracle Latest 1z1-076 Exam Questions

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Oracle 1z1-076 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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
  • 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
  • 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 6
  • 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 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
  • 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 9
  • 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 10
  • 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 11
  • 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 12
  • 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 14
  • 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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q47-Q52):

NEW QUESTION # 47
Which THREE statements are true about snapshot standby databases?

  • A. Snapshot standby databases may be used for rolling database upgrades.
  • B. A snapshot standby database must be opened at least once in read-write mode before it can be converted into a physical standby database.
  • C. A snapshot standby database can be the only standby database in a Maximum Protection Oracle Data Guard configuration.
  • D. If datafiles grow while a database is a snapshot standby database, then they shrink when converted back to a physical standby database.
  • E. A guaranteed restore point is created automatically when a physical standby database is converted into a snapshot standby database.

Answer: A,B,E


NEW QUESTION # 48
You must design an Oracle Data Guard configuration for a DSS database that meets these permanent requirements:
1. Creating and maintaining bitmap indexes should not impact the performance of the primary database.
2. Creating and maintaining materialized views should not impact the performance of the primary database.
Additionally, there are these requirements, only one of which is ever done at any one time:
1. It should be possible to apply designated patches with a minimum amount of downtime.
2. Upgrading to a new database release should be performed with the least possible amount of downtime.
3. New application software releases should be tested against an exact and up-to-date replica of the primary database.
Which configuration meets these requirements with the fewest of databases?

  • A. a primary database with two logical standby databases
  • B. a primary database with one logical standby database
  • C. A primary database with one logical and one physical standby database
  • D. a primary database with one physical standby database
  • E. a primary database with two physical standby databases

Answer: B

Explanation:
* Logical standby databases allow the execution of DDL and DML operations, which makes them suitable for maintaining bitmap indexes and materialized views without affecting the performance of the primary database .
* Logical standby databases can be used for performing rolling upgrades and patching with minimum downtime, meeting another requirement .
* They also enable the testing of new application software releases against an up-to-date replica of the primary database, fulfilling the last requirement.
Other configurations involving physical standby databases or combinations of logical and physical standby databases might not meet all the specified requirements as efficiently or with the same level of performance isolation for the primary database.


NEW QUESTION # 49
Which THREE statements are TRUE about the supported workload in Active Data Guard standby databases?

  • A. The DDL operations on private temporary tables are transparently redirected to the primary database.
  • B. You might have to use sequences with global temporary tables to support read-mostly applications by using Active Data Guard.
  • C. The DML operations on a standby can be transparently redirected to and run on the primary database
  • D. PL/SQL blocks that you run on Active Data Guard standby databases can be always redirected to and run on the primary database.
  • E. Read-mostly reporting applications that use global temporary tables for storing temporary data can be offloaded.

Answer: B,C,E

Explanation:
In an Oracle Active Data Guard environment:
B: Read-mostly reporting applications that utilize global temporary tables to store session-specific data can be effectively offloaded to an Active Data Guard standby database, reducing the load on the primary database.
C: Sequences can be used with global temporary tables on an Active Data Guard standby database to support certain types of read-mostly applications, though some restrictions on sequence use may apply.
E: In Oracle Database 19c and later, DML redirection allows DML operations performed on an Active Data Guard standby database to be transparently redirected to the primary database. This is part of the DML Redirection feature.
Option A is incorrect because not all PL/SQL blocks run on an Active Data Guard standby database can be redirected to the primary database. Some PL/SQL executions, specifically those that would attempt to make changes to the database, are not supported on the standby.
Option D is incorrect because DDL operations on private temporary tables are not redirected; instead, private temporary tables are session-specific and are not persisted on disk, so they do not generate redo and are not applicable to an Active Data Guard standby.


NEW QUESTION # 50
You are planning to perform block comparison using the dbms comp package:

Which TWO statements are true?

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

Answer: B,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 # 51
Which four statements are true regarding SQL Apply filters for a logical standby database?

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

Answer: A,B,C,F

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 # 52
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