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Earn associated certifications Passing this exam is required to earn these certifications. Select each certification title below to view full requirements. Oracle Certified Professional, Oracle Database 19c: Data Guard Administrator Format: Multiple Choice Duration: 120 minutes Number of Questions: 74 Passing Score: 61% Validation: Exam has been validated for product version Oracle Database 19c. Prepare to pass exam: 1Z0-076 Take your exam online from your home. The Oracle Certified Professional, Oracle Database 19c: Data Guard Administrator certification is for Database Systems Administrators with responsibility for Disaster Recovery. Ideal candidates have 4 to 5 years of Database Administration with 2 to 3 years of Data Guard. Preparing for the required exam gives you a thorough knowledge of Oracle Data Guard Administration. You gain skills and knowledge on Oracle Data Guard concepts, configuration, management, optimization and monitoring, data protection, HA, and disaster recovery. By passing this exam, a certified individual shows you have the ability to create a High Availability or Disaster Recovery solution for an Oracle Database ecosystem and gain knowledge of Workload offload capabilities available in Data Guard. This certification challenges your knowledge and pushes the limits of your database skills and increases your value to your company and in the marketplace. Take recommended training Complete one of the courses below to prepare for your exam (optional): Oracle Database 19c: Data Guard Administration Workshop Additional Preparation and Information A combination of Oracle training and hands-on experience (attained via labs and/or field experience), in the learning subscription, provides the best preparation for passing the exam. Review exam topics Oracle Data Guard Basics Describe the Architecture of Oracle Data Guard Explain the applicability between physical and logical standby and snapshot databases Explain the benefits of implementing Oracle Data Guard Explain Data Guard use with the Oracle Multi-tennant databases Managing Oracle Net Services in a Data Guard Environment Understand the basics of Oracle Net Services Implement Data Guard best-practice solutions in the networking setup Creating a Physical Standby Database by Using SQL and RMAN Commands Configure the primary database and Oracle Net Services to support the creation of the physical standby database and role transition Create a physical standby database by using the DUPLICATE TARGET DATABASE FOR STANDBY FROM ACTIVE DATABASE RMAN command Describe the Database Nologging Enhancements Demonstrate the usage of the PL/SQL procedure DBMS_DBCOMP.DBCOMP Explain the creation of a standby database by using DBCA Using Oracle Active Data Guard:Supported Workloads in Read-Only Standby Databases Perform Real-Time query to access data on a physical standby database Describe the supported workload in Active Data Guard (Read-Only) instances Creating and Managing a Snapshot Standby Database Create a snapshot standby database to meet the requirement for a temporary, updatable snapshot of a physical standby database Convert a snapshot standby database back to a physical standby database Creating a Logical Standby Database Determine when to create a logical standby database Create a logical standby database Manage SQL Apply filtering Oracle Data Guard Broker Basics Describe the Data Guard broker architecture Describe the Data Guard broker components Explain the benefits of the Data Guard broker Describe Data Guard broker configurations Creating a Data Guard Broker Configuration Create a Data Guard broker configuration Manage the Data Guard broker configuration List the new Data Guard Broker commands Monitoring a Data Guard Broker Configuration Use Enterprise Manager to manage your Data Guard configuration Invoke DGMGRL to manage your Data Guard configuration List the new Data Guard Broker VALIDATE commands Configuring Data Protection Modes Describe the data protection modes Change the data protection mode of your configuration Performing Role Transitions Explain the database roles Perform a switchover Perform a failover Explain how to keep physical standby sessions during role transition Using Flashback Database in a Data Guard Configuration Configure Flashback Database Explain the advantages of using Flashback Database in a Data Guard configuration Explain the functionality of replicated restore points Explain the functionality of automatic flashback Enabling Fast-Start Failover Configure fast-start failover View information about the fast-start failover configuration Manage the observer Perform role changes in a fast-start failover configuration Manually reinstate the primary database Backup and Recovery Considerations in an Oracle Data Guard Configuration Use Recovery Manager (RMAN) to back up and restore files in a Data Guard configuration Offload backups to a physical standby database Enable RMAN block change tracking for a physical standby database Recover your primary database over the network Synchronize Standby Database from Primary Database with one command Using Automatic Block Media Recovery Patching and Upgrading Databases in a Data Guard Configuration Patch and upgrade databases using traditional patch methods Perform rolling upgrades Optimizing and Tuning a Data Guard Configuration Monitor configuration performance Optimize redo transport for best performance Optimize SQL Apply Describe Tunable Automatic Outage Resolution List Diagnostic Tools in Active Data Guard (Read-Only) environment Managing Physical Standby Files After Structural Changes on the Primary Database Describe the primary database changes that may or may not require manual intervention at a physical standby database. Using Oracle Active Data Guard: Far Sync and Real-Time Cascading Use Far Sync to extend zero data loss protection for intercontinental configurations Describe how to create a far sync instance by using RMAN Describe the Real-Time Cascading Enhanced Client Connectivity in a Data Guard Environment Configure client connectivity in a Data Guard configuration Implement failover procedures to automatically redirect clients to a new primary database Using Application Continuity in a Data Guard Environment Sample Question and Answers QUESTION 1 Which two are true about database roles in an Oracle Data Guard configuration? A. A Physical Standby Database can be converted into a Logical Standby Database. B. A Snapshot Standby Database can be a fast-start failover target. C. A Logical Standby Database can be converted to a Snapshot Standby Database. D. A Logical Standby Database can cascade redo to a terminal destination. E. A configuration consisting only of a primary and one or more physical standby databases can support a rolling release upgrade. Answer: A, E Explanation: A Physical Standby Database can indeed be converted into a Logical Standby Database, providing flexibility in a Data Guard configuration. This allows for the database to switch roles and supports SQL apply operations, enabling more granular control over the data and transactions being replicated and applied. Additionally, having a configuration with a primary database and one or more physical standby databases allows for rolling upgrades to be performed. This means that each database in the Data Guard configuration can be upgraded in a phased manner, minimizing downtime and ensuring high availability during the upgrade process . QUESTION 2 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 one logical standby database B. a primary database with two logical standby databases C. a primary database with one physical standby database D. a primary database with two physical standby databases E. A primary database with one logical and one physical standby database Answer: A 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. QUESTION 3 You created two remote physical standby databases using SQL and RMAN. The primary database is a four-instance RAC database and each physical standby database has two instances. Roles-based services are used for client connectivity and have been defined in the Grid Infrastructure. Consider these operational requirements: The ability to manage multiple standby databases with a single tool The simplification of switchovers, failovers, reinstatements, and conversions to and from snapshot standby databases The automation of failovers to a specified target standby database Which TWO tools can be used to fulfill these requirements7 A. RMAN B. SQL*Plus C. CRSCTL D. Enterprise Manager Cloud Control E. DGMGRL F. SRVCTL G. GDCCTL Answer: D, E Explanation: Enterprise Manager Cloud Control provides a graphical interface to manage multiple standby databases, simplify switchovers and failovers, and automate failover processes to a specified target standby database. It offers a comprehensive view and control over the Data Guard configuration, making complex operations more manageable. DGMGRL is a command-line tool specifically designed for managing Data Guard configurations. It allows the administration of multiple standby databases, simplifies the execution of switchovers and failovers, reinstatements, and conversions to and from snapshot standby databases, and supports the automation of failover processes to a specified standby database. Other options like RMAN, SQL*Plus, CRSCTL, SRVCTL, and GDCCTL do not provide the same level of integrated management functionality for Data Guard environments as Enterprise Manager Cloud Control and DGMGRL. QUESTION 4 The Oracle database 19c Observer is currently running on host1 and you wish to have it running on host2. Examine this list of possible steps: 1) Stop the observer on host1 2) Disable Fast-Start Failover 3) Update the broker configuration with the new observer hostname 4) Enable Fast-Start Failover 5) Start the Observer on host2 Which contains the minimum required steps to move the observer to host2? A. Execute tasks 1 and 5 B. Execute only task 5 C. Execute tasks 1, 3, and 5 D. Execute tasks 1, 2, 3, 4, and 5 Answer: C Explanation: Stop the Observer on host1 to ensure that there are no conflicts between the instances of the Observer running on different hosts. Update the Data Guard Broker configuration with the new hostname for the Observer. This step is crucial to redirect the Data Guard Broker to communicate with the Observer on the new host. Start the Observer on host2 to resume its operations in the new environment. Disabling and re-enabling Fast-Start Failover (steps 2 and 4) are not strictly necessary for moving the Observer to a new host. These steps would be more relevant if changes to the configuration of Fast- Start Failover itself were required, which is not the case when simply relocating the Observer. QUESTION 5 Examine this query and its output: Which two statements are true? A. The master observer is connected to the database on which the query was executed. B. The master observer is currently running on ol7.example.com. C. The master observer is not running, but should run on ol7.example.com. D. Cats is a bystander database. E. The master observer is not connected to the database on which the query was executed. Answer: D, E Explanation: D) The database role indicated by FS_FAILOVER_STATUS as BYSTANDER implies that the database is a standby database in the Data Guard configuration. This means the database is neither a primary database nor an active failover target. E) Since the FS_FAILOVER_OBSERVER_HOST column shows cats, it suggests that this is the host on which the observer would run. However, because the FS_FAILOVER_OBSERVER_PRESENT column is not shown, we cannot definitively state if the observer is currently connected or not. If FS_FAILOVER_OBSERVER_PRESENT is ‘YES’, the observer is connected, if ‘NO’, then it’s not. In the absence of this column’s output, the best assumption based on the available data is that the observer is not connected. The output shows that the FS_FAILOVER_STATUS is BYSTANDER, which indicates that the database in question is not actively involved in a fast-start failover configuration as a primary or standby. It is in a bystander role, meaning that while it is part of a Data Guard configuration, it is neither a target for failover nor actively participating in failover operations. Additionally, FS_FAILOVER_OBSERVER_HOST shows ‘cats’, which indicates the host where the observer process is expected to run. However, since there is no information about the observer being present, we can infer that although ‘cats’ is designated for the observer to run, the observer is not currently connected to this database. Reference: Oracle documentation on Data Guard configurations and the V$DATABASE view which provides information about the fast-start failover status and observer host. QUESTION 6 Which three statements are true¦¦. With no Oracle Streams or Goldengate configured? A. It is recommended to have them on the… B. Only standby databases can write redo…. C. The LGWR process writes to them on …. D. They are required on a logical standby for real-time apply E. They are required on a physical standby for real-time apply. F. 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