Free Oracle 1Z0-076 Exam Actual Questions & Explanations

Last updated on: Jul 6, 2026
Author: James Allen (Oracle Database Administrator & Certification Specialist)

The Oracle 1Z0-076 exam validates your ability to design, implement, and manage Oracle Data Guard configurations in Oracle Database 19c environments. This exam is ideal for database administrators and architects who need to demonstrate expertise in high-availability solutions, disaster recovery, and data protection strategies. This page provides a clear roadmap of exam topics, question formats, and practical preparation strategies to help you succeed. Whether you're building your first standby database or optimizing an existing Data Guard setup, understanding the core concepts and real-world scenarios tested in 1Z0-076 is essential for passing confidently.

1Z0-076 Exam Syllabus & Core Topics

Use this topic map to guide your study for Oracle 1Z0-076 (Oracle Database 19c: Data Guard Administration) within the Oracle Database path.

  • Oracle Data Guard Basics: Understand the architecture, components, and purpose of Data Guard. You must recognize how primary and standby databases work together to provide redundancy and business continuity.
  • Creating a Physical Standby Database by Using SQL and RMAN Commands: Master the methods to create a physical standby using both manual SQL scripts and Recovery Manager. Practice backup strategies, log transport setup, and managed recovery processes.
  • Creating a Logical Standby Database: Learn to build a logical standby that applies SQL statements rather than redo blocks. Understand when logical standbys are appropriate and how to manage their unique characteristics.
  • Creating and Managing a Snapshot Standby Database: Configure snapshot standbys for testing and read-only workloads. Know how to convert between snapshot and physical standby modes without losing data.
  • Managing Oracle Net Services in a Data Guard Environment: Configure listeners, tnsnames, and connection strings to support failover and read-only access. Ensure services route correctly between primary and standby systems.
  • Oracle Data Guard Broker Basics: Learn the Broker architecture, its role in simplifying Data Guard management, and how it monitors and controls standby databases.
  • Creating a Data Guard Broker Configuration: Set up the Broker, add databases, and define protection modes. Understand configuration files and the Broker's relationship with the Data Guard infrastructure.
  • Monitoring a Data Guard Broker Configuration: Use DGMGRL commands and the Broker interface to track synchronization status, lag, and health. Interpret key metrics and respond to alerts.
  • Configuring Data Protection Modes: Distinguish between maximum protection, maximum availability, and maximum performance modes. Choose the right mode based on business requirements for data loss and availability.
  • Performing Role Transitions: Execute switchovers and failovers safely. Understand the steps, preconditions, and post-transition validation needed for each operation.
  • Using Flashback Database in a Data Guard Configuration: Apply flashback technology to recover from logical errors on primary or standby databases without losing Data Guard synchronization.
  • Enabling Fast-Start Failover: Configure automatic failover to minimize downtime. Set up the observer, define failover conditions, and test the mechanism in a controlled environment.
  • Backup and Recovery Considerations in an Oracle Data Guard Configuration: Design backup strategies that protect both primary and standby data. Understand recovery scenarios and how to restore from backups in a Data Guard setup.
  • Patching and Upgrading Databases in a Data Guard Configuration: Apply patches and perform version upgrades while maintaining Data Guard synchronization. Use rolling upgrades to minimize downtime.
  • Optimizing and Tuning a Data Guard Configuration: Monitor and adjust log transport, apply services, and network settings to reduce lag and improve throughput. Identify bottlenecks and tune accordingly.
  • Managing Physical Standby Files After Structural Changes on the Primary Database: Handle tablespace additions, datafile changes, and schema modifications on the primary. Ensure the standby reflects structural changes correctly.
  • Using Oracle Active Data Guard: Supported Workloads in Read-Only Standby Databases: Enable read-only access on the standby for reporting and queries. Understand which workloads are supported and licensing implications.
  • Using Oracle Active Data Guard: Far Sync and Real-Time Cascading: Deploy far sync instances to improve log transport efficiency and enable cascading replication for geographically distributed environments.
  • Enhanced Client Connectivity in a Data Guard Environment: Configure fast application notification (FAN) and connection pools to detect failovers quickly. Implement transparent application failover (TAF) for minimal user impact.

Question Formats & What They Test

The 1Z0-076 exam uses multiple-choice and scenario-based questions to assess both conceptual knowledge and the ability to make sound decisions in real-world Data Guard situations. Questions progress in difficulty and expect you to apply knowledge across planning, deployment, and troubleshooting workflows.

  • Multiple Choice: Core definitions, feature behavior, command syntax, and key terminology. For example, identify the differences between protection modes or recall the steps to create a standby database.
  • Scenario-Based Items: Analyze realistic situations such as a failed standby, a network lag issue, or a need to perform a switchover during maintenance. Select the best approach considering business requirements, risk, and technical constraints.
  • Configuration & Troubleshooting: Determine the correct configuration for a given requirement, or diagnose why a Data Guard feature is not working as expected. These items test your ability to interpret error messages and apply fixes.

Preparation Guidance

Efficient preparation requires mapping the 19 exam topics to a structured study schedule, practicing with realistic scenarios, and building confidence through timed drills. Dedicate time to both theoretical understanding and hands-on configuration to reinforce learning.

  • Create a weekly study plan: Assign 2-3 topics per week and track progress. Start with Oracle Data Guard Basics and physical standby creation, then move to advanced topics like Broker configuration and Fast-Start Failover.
  • Practice with question sets: Work through topic-mapped Q&A materials and review explanations thoroughly. Focus on understanding why correct answers are right and where common misconceptions lead to wrong choices.
  • Build a test lab environment: Set up a primary and physical standby database on your own systems or virtual machines. Practice creating standbys, configuring the Broker, performing switchovers, and monitoring lag.
  • Link concepts across workflows: Understand how log transport, apply services, and protection modes interact. Trace a complete scenario from database creation through failover to recovery.
  • Run timed practice tests: Complete at least two full-length mock exams under exam conditions. Use untimed review sessions to fill knowledge gaps before attempting timed runs.
  • Review the final week: Focus on weak areas identified in practice tests. Revisit command syntax, protection mode trade-offs, and common troubleshooting scenarios.

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Get the PDF & Practice Test

Strengthen your preparation with up-to-date resources from validexamdumps.com. These materials align to 1Z0-076 and cover practical scenarios with clear explanations.

  • Q&A PDF with explanations: Topic-mapped questions that clarify why correct options are right and others aren't. Each answer includes reasoning tied to exam objectives.
  • Practice Test: Realistic items, timed and untimed modes, progress tracking, and detailed review sections. Simulate exam conditions to build pacing and confidence.
  • Focused coverage: Aligned to all 19 core topics including Data Guard Basics, physical and logical standby creation, Broker configuration, role transitions, and Active Data Guard features.
  • Regular updates: Content refreshes that reflect syllabus changes and Oracle Database 19c product updates.

Visit the exam page to download the PDF, Online Practice Test, or get a bundle discount for both formats: Oracle Database 19c: Data Guard Administration.

Frequently Asked Questions

What topics carry the most weight on the 1Z0-076 exam?

Physical standby creation, Data Guard Broker configuration, and role transitions (switchover and failover) typically represent a significant portion of the exam. Protection modes and monitoring are also heavily tested. Ensure you spend extra time on these core areas and practice the associated commands and workflows thoroughly.

How do physical standbys, logical standbys, and snapshot standbys differ in practice?

Physical standbys apply redo blocks and are the most common choice for disaster recovery; they require minimal overhead and support all workloads. Logical standbys apply SQL statements, allowing read-write access on the standby but with higher CPU cost and some unsupported features. Snapshot standbys provide a writable copy for testing but must be resynchronized to become physical standbys again. Choose based on your recovery objective, read-only requirements, and testing needs.

How much hands-on lab experience is necessary to pass 1Z0-076?

Hands-on experience is highly valuable because the exam tests real-world decision-making and command execution. Ideally, practice creating at least one physical standby, configuring the Broker, and performing a switchover in your own environment. If a full lab is not available, study detailed command references and work through scenario-based practice questions that simulate common tasks and troubleshooting situations.

What are common mistakes that cost points on this exam?

Confusing protection mode trade-offs (e.g., thinking maximum protection has zero data loss but ignoring availability impact) is a frequent error. Misunderstanding the role of the Broker versus manual Data Guard configuration, or forgetting prerequisites for role transitions, also leads to wrong answers. Carefully review the differences between switchover and failover, and the conditions required for each. Practice interpreting error messages and lag metrics to avoid misdiagnosis in scenario questions.

What is the best review strategy in the final week before the exam?

Focus on weak areas identified in your practice tests and revisit high-weight topics. Review command syntax for RMAN, DGMGRL, and SQL*Plus operations. Work through 2-3 scenario-based questions daily to sharpen decision-making. On the day before the exam, do a light review of key definitions and protection mode characteristics rather than heavy studying. Ensure you are well-rested and familiar with the exam interface and timing.

Get All 107 Questions
Question No. 1

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).

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Correct Answer: D

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. Reference:

Oracle Real Application Clusters Administration and Deployment Guide

Oracle Data Guard Concepts and Administration Guide


Question No. 2

Which three types of backups offload ........ with the primary database in a data Guard

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Correct Answer: A, D, F

In a Data Guard environment, you can offload the backups of certain database components to a physical standby database. Incremental backups of a standby database are interchangeable with the primary database, meaning you can apply a backup taken on a standby database to a primary database and vice versa. This includes control files, data files, and archive logs. Backups of control files and nonstandby control files are interchangeable. You can restore a standby control file on a primary database and a primary control file on a physical standby database, demonstrating their interchangeability and the ability to offload control file backups to one database in a Data Guard environment.


Question No. 3

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?

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Correct Answer: B

Question No. 4

Your Data Guard environment consists of these components and settings:

1. A primary database

2. A remote physical standby database

3. Real-time query is enabled.

4. The redo transport mode is set to SYNC.

5. The protection mode is set to Maximum Availability.

You notice that queries executed on the physical standby database receive errors: ORA-03172: STANDBY_MAX_DATA_DELAY of 15 seconds exceeded. Which two would you recommend to avoid this error?

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Correct Answer: B, E

The ORA-03172: STANDBY_MAX_DATA_DELAY error indicates that the real-time query on the physical standby database is experiencing delays beyond the specified maximum data delay threshold. Increasing the network bandwidth (Option E) can enhance the speed at which redo data is transferred from the primary to the standby database, thereby reducing the likelihood of exceeding the STANDBY_MAX_DATA_DELAY threshold. Reducing I/O latency on the primary database's storage (Option B) ensures that redo data is generated and shipped more efficiently, further mitigating the risk of delay. These actions, focused on optimizing data transfer and processing speed, address the root causes of the ORA-03172 error in a synchronous Data Guard configuration operating in Maximum Availability mode.


Question No. 5

Which three are true concerning database states after a successful switchover?

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Correct Answer: A, C, D

After a successful switchover operation in a Data Guard environment, the new primary database (the former standby) will be open read-write (option A). If the former primary database transitions to a logical standby database, it will also be open read-write (option C), allowing it to apply redo data while servicing read-only queries. The former primary, if converted to a physical standby, will adopt the state that the former physical standby database was in prior to the switchover, which can vary based on the configuration prior to the switchover (option D). The state of a physical standby database can range from mounted to open read-only, depending on whether Real-Time Query was enabled. Thus, the exact state will depend on the pre-switchover setup. It's also essential to highlight that options B and E suggest specific states for a former primary turned logical standby, and a former primary turned physical standby, respectively, but these states are not fixed and depend on the configurations set up by the database administrators. Reference: The answers are corroborated by Oracle's documentation on Data Guard switchovers, specifically in the Oracle Data Guard Concepts and Administration guide, which explains the roles and states of databases in a Data Guard configuration before and after switchovers.


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