1z1-076 Exam Dumps Pass with Updated Sep-2025 Tests Dumps [Q40-Q65]

1z1-076 Exam Dumps Pass with Updated Sep-2025 Tests Dumps

1z1-076 exam questions for practice in 2025 Updated 111 Questions

NEW QUESTION # 40
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 sheep to physical standby;
  DGMGRL> edit configuration set protection mode as maxperformance;
  DGMGRL> convert database sheep to physical standby;
• C. DGMGRL> convert database cats to physical standby;
• D. DGMGRL> convert database sheep to physical standby;
• E. DGMGRL> convert database cats to physical standby;

Answer: D

NEW QUESTION # 41
Which THREE are always benefits of using a logical standby database?

• A. It can be used for database rolling release upgrades.
• B. It can be used for reporting workloads requiring additional indexes or materialized views or both.
• C. It can be used for testing patchsets without affecting the primary database.
• D. It provides a disaster-recovery solution with switchover and failover options that can recover any data updated on the primary database.
• E. It can be used to replicate a single pluggable database (PDB) in a multitenant container database.
• F. It can be used as an updatable database for Real Application Testing and then converted back to a standby database without affecting the updates.

Answer: A,B,D

Explanation:
Logical standby databases are a key feature of Oracle Data Guard and offer several distinct advantages, especially in terms of flexibility for reporting, upgrades, and disaster recovery:
Disaster-recovery solution with switchover and failover options (A): Logical standby databases provide a robust disaster-recovery solution, ensuring that any data updated on the primary database can be recovered. They support both switchover and failover operations, allowing for smooth role transitions between the primary and standby databases.
Used for reporting workloads requiring additional indexes or materialized views (B): Logical standby databases can be opened for read-write operations and can have additional indexes or materialized views that are not present in the primary database. This makes them ideal for offloading reporting and querying workloads from the primary database.
Database rolling release upgrades (D): Logical standby databases can be used to perform rolling upgrades of the Oracle Database software. This allows the database to be upgraded with minimal downtime, as the standby database is upgraded first, followed by a switchover to make it the new primary.
Reference:
Oracle Data Guard Concepts and Administration Guide
Oracle Database High Availability Overview

NEW QUESTION # 42
Which two statements are true regarding Data Guard environments in an Oracle Muti-tenant architecture?

• A. A Data Guard environment with a multi-tenant primary database can operate in any Protection mode.
• B. PDB_FILE_NAME CONVERT must be set to enable creation of standby databases if they are created on the same host as the primary.
• C. Standby redo log files are required for each pluggable database that is protected with Data Guard.
• D. The Data Guard broker may be used for multi-tenant databases.
• E. Different redo transport methods can be configured for different pluggable databases within one Data Guard environment.

Answer: A,D

Explanation:
Oracle Multi-tenant architecture and Data Guard have several interactions, but specific aspects hold true in such environments:
* The Data Guard broker may be used for multi-tenant databases (B): Data Guard Broker simplifies the management and monitoring of Data Guard configurations and is fully compatible with the Oracle Multi-tenant architecture, allowing for easy management of Data Guard configurations that include multi-tenant container databases (CDBs) and their pluggable databases (PDBs).
* A Data Guard environment with a multi-tenant primary database can operate in any Protection mode (E): Data Guard can be configured to operate in Maximum Performance, Maximum Availability, or Maximum Protection mode, regardless of whether the primary database is a multi-tenant database.
This flexibility ensures that Data Guard can meet various data protection and availability requirements in multi-tenant environments.References:
* Oracle Data Guard Broker documentation
* Oracle Multitenant Administrator's Guide

NEW QUESTION # 43
Which three types of backups offload ........ with the primary database in a data Guard

• A. Control files
• B. Archive logs
• C. Broker configuration files
• D. Data files
• E. Online logs
• F. Password files

Answer: A,B,D

Explanation:
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.

NEW QUESTION # 44
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. The DML operations on a standby can be transparently redirected to and run on the primary database
• C. You might have to use sequences with global temporary tables to support read-mostly applications by using Active Data Guard.
• D. Read-mostly reporting applications that use global temporary tables for storing temporary data can be offloaded.
• E. PL/SQL blocks that you run on Active Data Guard standby databases can be always redirected to and run on the primary database.

Answer: B,C,D

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.
References: The behavior and capabilities of Active Data Guard standby databases are documented in the Oracle Data Guard Concepts and Administration guide and the Active Data Guard documentation.

NEW QUESTION # 45
You have a Data Guard Broker configuration called 'Somewhere' as shown:
DGMGRL> SHOW CONFIGURATION;
Configuration - Somewhere
Protection Mode: MaxPerformance
Databases:
Nearby - Primary database
FS - Far Sync
Farout - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
You then run this command:
DGMGRL> SHOW DATABASE 'Nearby' 'InconsistentProperties';
Which two are true about the output of this DGMGRL command?

• A. It shows all properties whose broker configuration values for database Nearby are inconsistent with the values in the corresponding server parameter file or the runtime values for database instance Nearby.
• B. A far sync instance cannot have inconsistent properties because it has no database.
• C. It shows all properties whose broker configuration values for database Nearby are inconsistent with the broker configuration values for database Farout.
• D. Any inconsistency reported is on an instance-specific basis.

Answer: A,B

NEW QUESTION # 46
Which two are true about database roles in an Oracle Data Guard configuration?

• A. A configuration consisting only of a primary and one or more physical standby databases can support a rolling release upgrade.
• B. A Logical Standby Database can cascade redo to a terminal destination.
• C. A Physical Standby Database can be converted into a Logical Standby Database.
• D. A Snapshot Standby Database can be a fast-start failover target.
• E. A Logical Standby Database can be converted to a Snapshot Standby Database.

Answer: A,C

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.

NEW QUESTION # 47
Which three Data Guard monitoring activities may be performed using Enterprise Manager Cloud Control?

• A. You can monitor the redo apply rate on a snapshot standby database.
• B. You can set a warning threshold on the redo generation rate metric for a physical standby database.
• C. You can check if redo apply needs to be tuned.
• D. You can set a critical threshold on the redo generation rate metric for a primary database.
• E. You can check the potential data loss in the event of a disaster.
• F. You can monitor the redo apply rate on a logical standby database.

Answer: D,E,F

Explanation:
Enterprise Manager Cloud Control offers comprehensive monitoring capabilities for Oracle Data Guard environments. It enables monitoring the rate at which redo is being applied on a logical standby database (A), which is crucial for ensuring that the standby database is keeping up with the changes from the primary. It also allows setting thresholds on performance metrics, such as the redo generation rate on the primary database (B), to alert administrators when values exceed critical or warning thresholds. Additionally, it provides the capability to estimate the potential data loss in the event of a disaster (E), helping in disaster recovery planning and ensuring business continuity.
Reference:
Oracle Enterprise Manager Cloud Control documentation provides extensive information on its monitoring features for Oracle Data Guard, including setting thresholds, estimating potential data loss, and tracking redo apply rates.

NEW QUESTION # 48
Which TWO observations are true about the Far Sync instance?

• A. Receives redo synchronously from the primary database
• B. Can be created using the RMAN DUPLICATE command
• C. Can only be created using a series of SQL commands
• D. Applies redo received
• E. Includes a standby control file, password file, data files, standby redo logs, and archive logs

Answer: A,D

Explanation:
A Far Sync instance is a special kind of Oracle Data Guard configuration that allows synchronous redo transport from a primary database to a remote standby database with minimum impact on the primary database's performance. The Far Sync instance receives redo data synchronously from the primary database (A), then ships it asynchronously to the remote standby database, thus extending zero data loss protection over longer distances and higher network latency environments than would be practical with a synchronous standby alone. The Far Sync instance does not apply the redo data; it just receives and ships it (E). A Far Sync instance does not have data files, and it cannot apply redo to stay synchronized with the primary database.
References:Oracle Database High Availability Overview and Oracle Data Guard Concepts and Administration documentation detail the role and configuration of Far Sync instances, including how they contribute to achieving zero data loss disaster recovery over long distances.

NEW QUESTION # 49
Which three actions are performed by the START PLAN procedure of the DBMS ROLLING package?

• A. creating a guaranteed restore point on the primary database
• B. converting the designated physical standby database into a logical standby database
• C. creating a guaranteed restore point on the standby databases
• D. starting media recovery on all the Leading Group Standby databases
• E. building a LogMiner dictionary on the primary database instance
• F. switching the primary database to the logical standby role

Answer: A,C,E

Explanation:
The DBMS_ROLLING package facilitates a rolling upgrade process across a Data Guard configuration. The START PLAN procedure in particular handles several critical actions, including:
Creating a guaranteed restore point on the standby databases (B): This ensures that the standby databases can be reverted to their state before the rolling upgrade process in case of any issues.
Building a LogMiner dictionary on the primary database instance (C): This is necessary for logical standby databases to interpret redo data during the SQL Apply process.
Creating a guaranteed restore point on the primary database (D): Similar to the standby databases, this ensures that the primary database can be reverted to a known good state if necessary.
Reference:
Oracle Database PL/SQL Packages and Types Reference
Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 50
Your Data Guard environment has a remote physical standby database with real-time query enabled, which is used for reporting, and a logical standby database used for DSS reporting.
Switchovers or failovers are possible due to testing or in case of a disaster.
Clients use local TNSNAMES.ORA files to define connection strings to the database instances.
Which three will prevent clients from connecting to the wrong database instances?

• A. A service name is registered with the local listener of each database instance.
• B. The LOCAL_LISTENER parameter on the primary database instance must always be set.
• C. The DB_NAME and DB_UNIQUE_NAME parameters must be set to the same value for all the databases in the Data Guard environment.
• D. Oracle Net connectivity to the primary database instance must be established on all the standby database instances.
• E. The client applications must use the correct TNS entries when requesting connections to the database instances.
• F. The standby database services must be defined statically with the Listeners running on the standby database hosts.
• G. Client TNS entries for the databases use the correct service names for the intended service.

Answer: E,F,G

Explanation:
Based on Oracle Database 19c: Data Guard Administration documents, the three measures that can prevent clients from connecting to the wrong database instances during switchovers, failovers, or regular operations in a Data Guard environment are:
B . The standby database services must be defined statically with the Listeners running on the standby database hosts.
D . The client applications must use the correct TNS entries when requesting connections to the database instances.
E . Client TNS entries for the databases use the correct service names for the intended service.
In an Oracle Data Guard configuration, correctly configuring Oracle Net Services (including TNS entries and listeners) is crucial for ensuring that clients connect to the appropriate database instance, whether it's the primary or standby. Defining services on the standby database and associating them with listeners ensures that client applications can connect to the standby when needed, especially useful in a role transition or when the standby is open for read-only access or real-time query. It's essential that TNS entries used by client applications specify the correct service names that correspond to the intended database roles, such as primary or standby. This setup facilitates seamless connectivity to the appropriate instance based on the role, especially critical during switchovers and failovers when the roles of the databases change.
Reference:
Oracle's Data Guard concepts and administration guide provides extensive information on configuring network services for Data Guard environments, ensuring that applications connect to the correct database instance based on the current role of the databases in the Data Guard configuration.

NEW QUESTION # 51
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?

• A. Reduce I/O latency for the storage used by the primary database.
• B. Increase the number of standby redo log files on the primary database.
• C. Change the protection mode to Maximum Performance.
• D. Change the protection mode to Maximum Protection.
• E. Increase the network bandwidth between the primary and standby databases.
• F. Increase the size of the buffer cache on the standby database instance.

Answer: A,E

Explanation:
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.

NEW QUESTION # 52
Which two are true about the use of RMAN recovery catalogs when offloading backups to a physical standby database?

• A. It backups that are offloaded to a physical standby database are taken when not connected to a recovery catalog, then they may still be used for restoration on the primary database.
• B. The physical standby database may be used to register the database in the recovery catalog, if the primary is not registered.
• C. It is not necessary to use a recovery catalog unless a far sync instance is used to route redo to the physical standby database.
• D. Primary and physical standby databases may use different virtual recovery catalogs in the same physical recovery catalog.
• E. The primary and physical standby databases must be registered separately in the recovery catalog, if a far sync instance is used to route redo to the physical standby database.

Answer: A,D

NEW QUESTION # 53
Which three are prerequisites for enabling Fast-Start Failover?

• A. Flashback Database must be enabled only on the Fast-Start Failover target standby database.
• B. Flashback Database must be enabled on both the primary database and the Fast-Start Failover target standby database.
• C. The Data Guard environment must be managed by the Data Guard Broker.
• D. You can specify only one standby database as the fast-start failover target.
• E. The configuration must be operating in either Maximum Performance or Maximum Protection mode.
• F. The maximum protection mode can be used, but with two or more standby databases.

Answer: B,C,D

Explanation:
To enable Fast-Start Failover in a Data Guard environment, the following conditions must be in place:
The Data Guard environment must be managed by the Data Guard Broker (A): The Broker simplifies management tasks and is required to enable fast-start failover, which is an automatic failover mechanism provided by Data Guard.
You can specify only one standby database as the fast-start failover target (C): Fast-start failover is designed to fail over to a single, predetermined standby database, known as the target standby.
Flashback Database must be enabled on both the primary database and the Fast-Start Failover target standby database (F): Flashback Database provides a quick way to revert a database to a point in time before a logical or physical corruption or error occurred. It must be enabled on both the primary and target standby databases to allow for the possibility of reinstating the old primary as a standby after a failover.
Reference:
Oracle Data Guard Concepts and Administration Guide
Oracle Database High Availability Overview

NEW QUESTION # 54
Which three are prerequisites for using Data Guard Broker?

• A. DG_BROKEB_START must be set to TRUE for a database instance before adding the database to the broker configuration.
• B. Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances.
• C. The broker configuration files for a RAC database must reside in shared storage accessible by all the RAC database instances.
• D. The primary and standby databases must run the same version of the Oracle Database server.
• E. A statically defined listener end-point must be registered with the local listener on the servers hosting the standby database instances.
• F. If any database in the configuration is a RAC database, then the broker configuration files must reside in shared storage accessible by all database instances for all databases in the broker configuration.

Answer: B,D,F

Explanation:
Data Guard Broker is a management tool that simplifies the configuration, management, and monitoring of Data Guard environments. The prerequisites for using Data Guard Broker include:
The primary and standby databases must run the same version of the Oracle Database server (A): This ensures compatibility between the primary and standby databases and enables seamless role transitions and data synchronization.
Network connectivity to the primary database instance must be defined on the servers hosting the standby database instances (B): Proper network connectivity is essential for communication between the primary and standby databases, allowing for the replication of data and the synchronization of changes.
If any database in the configuration is a RAC database, then the broker configuration files must reside in shared storage accessible by all database instances for all databases in the broker configuration (D): In Real Application Clusters (RAC) environments, shared storage ensures that all instances of the RAC database can access the broker configuration files, facilitating the management of the Data Guard environment across all instances.
Reference:
Oracle Data Guard Broker documentation
Oracle Real Application Clusters Administration and Deployment Guide

NEW QUESTION # 55
Which TWO statements are true about Real-Time Query?

• A. Real-Time Query has no limitations regarding the protection level of the Data Guard environment.
• B. A standby database enabled for Real-Time Query cannot be the Fast-Start Failover target of the Data Guard configuration.
• C. Setting standby_max_data_delay=0 requires synchronous redo transport.
• D. Real-Time Query sessions can be connected to a Far Sync instance.
• E. Disabling Real-Time Query prevents the automatic start of redo apply when a physical standby databases opened read only.

Answer: C,E

Explanation:
Real-Time Query is a feature that allows queries to be run on a physical standby database while it is applying redo data. The relevant truths about it are:
* Setting standby_max_data_delay=0 requires synchronous redo transport (A): For the real-time apply feature to function with no data delay (zero delay), synchronous redo transport must be used. This setting ensures that the data on the standby database is as current as possible before queries are executed against it.
* Disabling Real-Time Query prevents the automatic start of redo apply when a physical standby database is opened read-only (C): If Real-Time Query is disabled, opening the standby database in read-only mode will not start the redo apply process automatically. Redo apply needs to be manually started to synchronize the standby database with the primary.References:
* Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 56
Attempting to start the observer raises an error:
DGMGRL> start observer;
DGM-16954: Unable to open and lock the Observer configuration file
Failed.
Identify two possible ways to start the observer successfully.

• A. Start the observer using a different observer configuration file.
• B. Create a broker configuration and enable Fast-Start Failover before starting the observer.
• C. Start the observer in a different working directory.
• D. Set the ObserverOverride property to TRUE before starting the observer.
• E. Enable Fast-Start Failover before starting the observer.

Answer: A,C

NEW QUESTION # 57
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 execution of DML triggers on a table while allowing the DML to execute.
• C. They can be used to skip ALTER TABLE commands on specific tables.
• D. They can be used to skip CREATE TABLE commands.
• E. They can only be used to skip DML statements on a table.
• F. They can be used to skip ALTE1 STEM and ALTER DATABASE commands.
• G. They can be used to skip all SQL statements executed on a specific pluggable database (PDB) within a standby multitenant container database (CDB).

Answer: B,C,D,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.
References: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 # 58
Which THREE are always benefits of using a logical standby database?

• A. It can be used for database rolling release upgrades.
• B. It can be used for reporting workloads requiring additional indexes or materialized views or both.
• C. It can be used for testing patchsets without affecting the primary database.
• D. It provides a disaster-recovery solution with switchover and failover options that can recover any data updated on the primary database.
• E. It can be used to replicate a single pluggable database (PDB) in a multitenant container database.
• F. It can be used as an updatable database for Real Application Testing and then converted back to a standby database without affecting the updates.

Answer: A,B,D

Explanation:
Logical standby databases are a key feature of Oracle Data Guard and offer several distinct advantages, especially in terms of flexibility for reporting, upgrades, and disaster recovery:
* Disaster-recovery solution with switchover and failover options (A): Logical standby databases provide a robust disaster-recovery solution, ensuring that any data updated on the primary database can be recovered. They support both switchover and failover operations, allowing for smooth role transitions between the primary and standby databases.
* Used for reporting workloads requiring additional indexes or materialized views (B): Logical standby databases can be opened for read-write operations and can have additional indexes or materialized views that are not present in the primary database. This makes them ideal for offloading reporting and querying workloads from the primary database.
* Database rolling release upgrades (D): Logical standby databases can be used to perform rolling upgrades of the Oracle Database software. This allows the database to be upgraded with minimal downtime, as the standby database is upgraded first, followed by a switchover to make it the new
* primary.References:
* Oracle Data Guard Concepts and Administration Guide
* Oracle Database High Availability Overview

NEW QUESTION # 59
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).

• A. 3,4
• B. 0
• C. 1
• D. 1.4
• E. 1,3,4
• F. 2,3,4

Answer: D

Explanation:
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.References:
* Oracle Real Application Clusters Administration and Deployment Guide
* Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 60
Which TWO are TRUE about offloading backups to a physical standby database in a Data Guard environment?

• A. The standby database can not be registered in an RMAN catalog if the primary database has not been registered.
• B. The standby database must be registered in an RMAN catalog after the primary database has been registered.
• C. The standby database must be registered in an RMAN catalog before the primary database has been registered.
• D. Backups of the standby control file taken while connected to the catalog where the database is registered, may be used to restore the control file on the primary database.

Answer: B,D

Explanation:
In a Data Guard environment, offloading backups to a physical standby database has certain requirements:
* A: Once the primary database is registered in an RMAN catalog, the standby database can also be
* registered. This allows RMAN to manage backups coherently across both databases and leverage the standby database for backup purposes without interfering with the primary database's workload.
* C: Backups of the standby control file taken while connected to the catalog where the database is registered can be used to restore the control file on the primary database. This ensures that backup metadata is consistent across the Data Guard configuration.
Options B and D are incorrect because there is no strict requirement for the order in which the primary and standby databases must be registered in an RMAN catalog. However, it is a common practice to register the primary database first.
References: The Oracle Database Backup and Recovery User's Guide provides detailed procedures on how to manage RMAN backups in a Data Guard environment, including offloading backups to a standby database.

NEW QUESTION # 61
Which two statements are true regarding asynchronous redo transport in a Data Guard

• A. This transport mode satisfies the minimum requirements for Maximum Performance data protection mode.
• B. The performance of SQL apply on a logical standby database always improves when using this transport mode.
• C. This transport mode satisfies the minimum requirements for Maximum Availability data protection mode.
• D. A transaction can commit without waiting for redo to be sent to any standby database in the data guard configuration.
• E. Real-time query performance on a physical standby database improves for current read requests when using this transport mode.

Answer: A,D

Explanation:
Asynchronous redo transport is a method where the primary database does not wait for an acknowledgment from the standby database before committing transactions, which helps in minimizing the impact on the primary database's performance (B). This transport mode is associated with the Maximum Performance data protection mode, which prioritizes performance over synchronicity of data between the primary and standby databases (C). While it provides a level of data protection, there could be some data loss in the event of a primary database failure because redo data may not have been transmitted to the standby database at the time of the failure.
Reference:
Oracle Data Guard Concepts and Administration documentation provides detailed explanations of different redo transport modes and their implications on data protection and performance. Asynchronous transport mode's behavior and association with Maximum Performance mode are outlined explicitly.

NEW QUESTION # 62
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. 5,2,4,3,6,1
• B. 1,5,2,4,6,3
• C. 4,6,5,2,3,1
• D. 5,2,4,6,3,1
• E. 5,2,4,1

Answer: B

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.References:
* Oracle Data Guard Concepts and Administration Guide
* Oracle Database Upgrade Guide

NEW QUESTION # 63
On your logical standby database, you specified these rules:

After completion of the weekend batch cycle you attempt to delete the SQL Apply filters:

Which is TRUE regarding the execution of the UNSKIP procedure?

• A. It deletes both the SQL Apply filters.
• B. It returns an error because the syntax to delete a SQL Apply filter must specify the same object names as specified when the filter was added.
• C. It succeeds only if all DML statements executed on the primary have been applied on the logical standby deleting the SQL Apply filter.
• D. It succeeds only if SQL apply is stopped before deleting the SQL Apply filter.
• E. It succeeds but the SQL Apply filters are not deleted.

Answer: A

Explanation:
The execution of the UNSKIP procedure is designed to remove SQL Apply filters that have been previously set up on a logical standby database. Based on the provided statements, the UNSKIP procedure is directed to delete any SQL Apply filters for DML statements associated with objects in the 'HR' schema that start with
'EMP'. Since both SKIP procedures had the same schema name ('HR') and statement type ('DML'), and the UNSKIP procedure uses a wildcard (%) for the object name, it will successfully remove both of the SQL Apply filters for 'EMP_NEW' and 'EMP_OLD', as both object names match the pattern provided in the UNSKIP procedure.
References:Oracle's Data Guard documentation and SQL Language Reference provide insights into managing SQL Apply filters on a logical standby database using the DBMS_LOGSTDBY package. This includes adding and removing filters through SKIP and UNSKIP procedures.

NEW QUESTION # 64
Which two statements are true when using non-rolling release upgrades in a Data Guard environment?

• A. Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a physical standby database.
• B. User equivalence must be established for the owner of the Oracle software on the affected hosts prior to the upgrade.
• C. The compatible parameter on a standby database that is applying redo, must be equal to or greater than the compatible parameter on the primary that is shipping redo to that standby.
• D. During the upgrade of a logical standby database, standby redo log files must reside on O/S file systems.
• E. Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a logical standby database.

Answer: A,C

Explanation:
* The compatible parameter on a standby database that is applying redo, must be equal to or greater than the compatible parameter on the primary that is shipping redo to that standby (A):
This ensures that the standby database can apply redo from the primary, even after the primary has been upgraded. The COMPATIBLE parameter setting on the standby database should not preclude it from understanding the redo it receives.
* Modifications to the data dictionary on the primary database caused by the upgrade, are applied on a physical standby database (C): When the primary database undergoes a non-rolling upgrade, any resulting data dictionary changes are transmitted through redo data and applied to the physical standby database.
References:
* Oracle Database Upgrade Guide
* Oracle Data Guard Concepts and Administration Guide

NEW QUESTION # 65
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