Updated Sep 26, 2025 Verified Pass 1z0-076 Exam in First Attempt Guaranteed [Q58-Q82]

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Updated Sep 26, 2025 Verified Pass 1z0-076 Exam in First Attempt Guaranteed

Free 1z0-076 Sample Questions and 100% Cover Real Exam Questions (Updated 111 Questions)

Oracle 1z0-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 4	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 5	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 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	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 9	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 11	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 12	Creating a Data Guard Broker Configuration: This section delves into the practical aspects of creating and managing a Data Guard broker configuration, including command-line and Enterprise Manager approaches.

NO.58 A customer asks for your recommendation regarding this requirement:
1. We plan to have a Data Guard Configuration with one primary database and one physical standby database.
2. We want zero data loss in case of a disaster involving the loss of one component.
3. We want to do Real Application Testing occasionally on the Standby Database.
Which solution, if any, satisfies these requirements?

These requirements cannot be met.

A physical standby database with synchronous redo transport that can be converted regularly into a snapshot standby to do real application testing

A snapshot standby database with real time query that can be converted regularly into a physical standby database open read write, to do real application testing

A far sync instance plus a snapshot standby database and real time apply that can be converted regularly into logical standby database to do real application testing

NO.59 Which feature is available when monitoring a Data Guard configuration using Enterprise Manager Cloud Control, but is not available using DGMGRL or by using SQL?

Analyzing the dmon process trace file

Creating a broker configuration before creating the databases

Viewing a logical standby database apply lag

Automatic creation of standby redo logs

Performing a verify operation

NO.60 You must configure an Oracle Data……….
1. A primary database
2. A physical standby database
Examine these requirements: 1. Data loss is not permitted.
1. Data loss is not permitted.
2. It should be possible to convert the physical standby database to a snapshot standby database.
3. Under normal operations, transactions should commit when redo is written to disk on the primary database and as soon as it has been received by the standby database instance.
4. The availability of the primary database should not be compromised by the availability of the standby database.
5. It should be possible to convert the physical standby database to a logical standby database
6. It should be possible to deploy Real Application Clusters on the primary database.
7. It should be possible to deploy Real Application Clusters on the physical standby database.
You configure SYNC redo transport mode in combination with Maximum Protection mode.

1, 2, 3, 6, and 7

1, 2, 3, 4, 5, 6, and 7

1, 2, 6, and 7

1, 6, and 7

1, 2, and 5

NO.61 Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to sync
4. Real-time query is enabled for both standby databases
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases?

Increase the size of standby redo log files on the standby databases.

Decrease the redo log file size on the primary database.

Increase the number of standby redo log files on the standby databases.

Lower DB_BLOCK_CHECKING to MEDIUM or low on the standby databases.

Increase the size of the buffer cache on the physical standby database instances.

NO.62 Which THREE are always benefits of using a logical standby database?

It provides a disaster-recovery solution with switchover and failover options that can recover any data updated on the primary database.

It can be used for reporting workloads requiring additional indexes or materialized views or both.

It can be used for testing patchsets without affecting the primary database.

It can be used for database rolling release upgrades.

It can be used to replicate a single pluggable database (PDB) in a multitenant container database.

It can be used as an updatable database for Real Application Testing and then converted back to a standby database without affecting the updates.

NO.63 Your Data Guard environment consists of these components and settings:
1. A primary database
2. Two remote physical standby databases
3. The redo transport mode is set to sync
4. Real-time query is enabled for both standby databases
5. The DB_BLOCK_CHECKING parameter is set to TRUE on both standby databases You notice an increase in redo apply lag time on both standby databases.
Which two would you recommend to reduce the redo apply lag on the standby databases?

Increase the size of standby redo log files on the standby databases.

Decrease the redo log file size on the primary database.

Increase the number of standby redo log files on the standby databases.

Lower DB_BLOCK_CHECKING to MEDIUM or low on the standby databases.

Increase the size of the buffer cache on the physical standby database instances.

NO.64 Examine the Data Guard configuration after an accidental switchover to Sheep:
DGMGRL> show configuration;
Configuration – Animals
Protection Mode: MaxAvailability
Databases:
sheep – Primary database
dogs – Logical standby database
cats – Physical standby database (disabled)
ORA-16795: the standby database needs to be re-created
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
Which three statements will be true after a switchover to Dogs?

Sheep will be a disabled logical standby database.

Cats will be a disabled physical standby database that can be manually enabled.

Sheep will be an enabled logical standby database.

Dogs will be the primary database.

Cats will be an enabled physical standby database.

NO.65 You have a Data Guard broker configuration consisting of:
A primary database
One local physical standby database
One far sync instance
A remote physical standby database
The broker configuration was created with the DGMGRL utility after creating all the databases and the far sync instance with command-line tools.
What is the correct way to add this configuration to Enterprise Manager Cloud Control assuming all the nodes have been discovered already as Enterprise Manager targets?

Discover the primary as a target by refreshing the node on which it runs, and the other databases and instances in the Data Guard broker configuration will be discovered as targets automatically and be ready to be monitored.

Delete the Data Guard Broker configuration using DGMGRL and then re-create it using Enterprise Manager Cloud Control to enable all the databases in the configuration to be discovered as targets and to be ready to be monitored.

Discover the primary database as a target in Enterprise Manager Cloud Control. Then discover the existing Data Guard Broker configuration for the primary and all the other databases in the configuration will be discovered as targets and be ready to be monitored.

Use the DGMGRL utility to register the configuration with the Enterprise Manager Cloud Control agent on the primary database node. This will enable the discovery of all the other databases in the configuration as targets which will be ready to be monitored.

Discover either of the physical standby databases as a target by refreshing the node on which they run, and the other databases and instances in the Data Guard Broker configuration will be discovered as targets automatically and be ready to be monitored.

NO.66 Which THREE statements are TRUE about the supported workload in Active Data Guard standby databases?

PL/SQL blocks that you run on Active Data Guard standby databases can be always redirected to and run on the primary database.

Read-mostly reporting applications that use global temporary tables for storing temporary data can be offloaded.

You might have to use sequences with global temporary tables to support read-mostly applications by using Active Data Guard.

The DDL operations on private temporary tables are transparently redirected to the primary database.

The DML operations on a standby can be transparently redirected to and run on the primary database

NO.67 Which TWO statements are true about configuring Oracle Net Service in a Data Guard environment?

A static service must be registered with the local listener to enable DGMGRL to restart instances during the course of broker operations.

Install the oracle-database-preinstall-19c package to set the kernel parameters for Oracle Net based on the Data Guard best practice guidelines.

Installing the oracle-database-preinstall-19c package is NOT sufficient to set up operating system kernel parameters for Oracle Net.

Enterprise Manager does not require static service registration to restart instances during the course of broker operations.

It is necessary to use the failover clause for an address_list with multiple address lists in the tnsnames.ora file.

NO.68 There are currently 6 applief. and 6 pfepafef processes running and no idle applier processes on y logical standby database.
The max_SERVERS SQL apply parameter and number of archiver processes are both set to 12.
Identify two changes, each of which would allow you to increase the number of applier processes.

Decrease the number of archiver processes on the standby database.

Increase the processes initialization parameter. D Decrease the number of FREPARER processes.

Increase the value for the MAX_SERVERS SQL apply parameter.

Increase the parallel_max_server initialization parameter.

Increase the RECOVERY_PARALLEL initialization parameter.

NO.69 A Data Guard environment has this configuration and these attributes:
A primary database
A physical standby database named sbdb
The configuration is in maximum availability protection mode.
Then sbdb is converted to a snapshot standby database.
Which two statements are true?

The recovery time objective increases.

sbdb can still receive redo.

The protection mode is lowered to maximum performance.

sbdb can still apply redo.

The recovery point objective increases.

NO.70 Which THREE statements are true about Far Sync instances?

The Data Guard Broker must be used to deploy and manage Far Sync instances.

They work with any protection level.

They enable standby databases to be configured at remote distances from the primary without impacting performance on the primary.

They use an spfMe, a standby controlfile, and standby redo logs.

A primary database can ship redo directly to multiple Far Sync instances.

NO.71 Which THREE are among the various tasks performed by the Data Guard Monitor (DMON) process?

performing role transitions when switchover requests are made

maintaining information about all members of the broker configuration in binary configuration files.

activating role-based services appropriately in the various database instances of the configuration, based on the database role

communicating with the DMON process of the observer to monitor a primary database in case a fast start failover is required

communicating with dkon processes in other database instances that are part of the broker configuration

NO.72 Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration – Animals
Protection Mode: Max Availability
Databases:
dogs – Primary database sheep
– Physical standby database cats
– Physical standby database
Fast-Start Failover: DISABLED
Configuration Status: SUCCESS
An attempt to enable fast-start failover raises an error:
DGMGRL> enable fast_start failover;
Error: ORA-16693: requirements not met for enabling fast-start failover Failed.
Identify three possible reasons for this error.

The fastStartFailoverTarget property is not set on Dogs.

The LogxptModr property is set to async on Sheep while Sheep is the target standby database.

The LogXptMode property is set to FASTSYNC on Cats while Sheep is the target standby database.

The LogXptMode property is set to async on Dogs.

The LogXptMode property is set to fastsync on Dogs.

NO.73 You created a physical standby database prodsbyi from the primary database prod using SQL and RMAN.
Which THREE are prerequisites for creating a Data Guard Broker configuration to manage these databases?

A local net service name to enable connectivity to the PRODSBYI database instance must be defined on the primary database host.

The primary database must have supplemental logging enabled.

The LOG_ARCHIVE_DEST_n parameters with the service attribute set must be cleared.

The standby database must have supplemental logging enabled.

The primary database must have FORCE LOGGING enabled.

The DG_BROKER_START parameter must be set to TRUE for both database instances.

NO.74 Which two are true about the use of RMAN recovery catalogs when offloading backups to a physical standby database?

The physical standby database may be used to register the database in the recovery catalog, if the primary is not registered.

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.

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.

Primary and physical standby databases may use different virtual recovery catalogs in the same physical recovery catalog.

It is not necessary to use a recovery catalog unless a far sync instance is used to route redo to the physical standby database.

NO.75 Examine the Data Guard configuration: DGMGRL> show configuration;
Configuration – Animals
Protection Mode: MaxPerformance
Databases:
dogs- Primary database
sheep – Physical standby database
cats- Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status: SUCCESS
You receive an error while attempting to raise the protection mode to Maximum Protection:
DGMGRL> edit configuration set protection mode as maxprotection;
Error: ORA-16627: operation disallowed since no standby databases would remain to support protection mode Failed.
What can you conclude based on this error?

The redo transport mode is set to async for the standby database Sheep.

The redo transport mode is set to asyn: for the standby database Cats.

The redo transport mode is set to async for both standby databases.

Cats is a snapshot standby database.

NO.76 Which three statements are true about snapshot standby databases?

A resize command to reduce the size of an empty datafile in the snapshot standby database, which was created in the primary database, will succeed.

A resize command to reduce the size of an empty datafile in the snapshot standby database, which was created in the snapshot standby database, will succeed.

A resize command to extend the size of a datafile in the snapshot standby database, which was created in the snapshot standby database, will succeed.

A resize command to reduce the size of an empty datafile in the snapshot standby database, which was created in the physical standby database, will succeed.

A resize command to extend the size of a datafile in the snapshot standby database, which was created in the primary database, will succeed.

NO.77 Which four factors can influence the rate of SQL apply on a logical standby database?

the number of PREPAER processes

the number of coordinator processes on the standby database instance

the number of full table scans performed by SQL apply

the size of the undo tablespace on the logical standby database

the number of applier processes

the size of the shared pool

NO.78 You are using Data Guard in conjunction with Global Database Services.
You have a Data Guard Broker configuration called Sales and a GDS pool called Prod.
Which three are true concerning the management of the broker configuration when using GDS?

DGMGRL may be used to add the Sales configuration to the Prod pool in gds.

Performing a role change with DGMGRL automatically notifies GDS which in turn activates the appropriate services.

DGMGRL may be used to add a single database to the Sales configuration even if Sales is a member of the Prod pool.

Adding a database to the Sales configuration with DGMGRL automatically adds the database to the Prod Pool.

Adding a database to the Sales configuration with DGMGRL requires that the Sales configuration be disabled first. It must then be enabled after the new database is added to the configuration.

NO.79 Which TWO statements correctly describe the behavior of Automatic Block Media Recovery in a Data Guard environment, for a corrupt block in the example tablespace encountered by a session logged in as the SH user?

A corrupt block on the primary database can be automatically recovered, using a block from a standby database with Real-Time Query enabled.

A corrupt block on the primary database is automatically recovered, using a block from a flashback log from a standby database with Real-Time Query enabled.

A corrupt block on a standby database with Real-Time Query enabled, is automatically recovered, using flashback logs from the standby database.

A corrupt block on a standby database with Real-Time Query enabled, can be automatically recovered, using a block from the primary database.

A corrupt block on the primary database is automatically recovered, using a block from a flashback log from the primary database.

NO.80 You are planning to perform block comparison using the dbms comp package:

Which TWO statements are true?

The databases should be at least mounted before block comparison.

Logical standby databases can be the target database for the dbms_dbcomp.dbcomp procedure.

It requires that the DB_LOST_WKITE_protect initialization parameter be enabled.

You can monitor the progress of an ongoing block comparison operation by querying VS SES SION_LONGOPS.

It can be used to detect lost writes and inconsistencies between the primary database and the cascaded standbys.

NO.81 Examine the fast-start failover configuration:

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

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.

The observer will initiate a failover when the primary database is unable to produce local archived redo log files.

You must disable fast-start failover first to change the fast-start failover target to East sales.

The observer is running.

NO.82 Which THREE are among the various tasks performed by the Data Guard Monitor (DMON) process?

performing role transitions when switchover requests are made

maintaining information about all members of the broker configuration in binary configuration files.

activating role-based services appropriately in the various database instances of the configuration, based on the database role

communicating with the DMON process of the observer to monitor a primary database in case a fast start failover is required

communicating with dkon processes in other database instances that are part of the broker configuration

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Updated Sep 26, 2025 Verified Pass 1z0-076 Exam in First Attempt Guaranteed [Q58-Q82]

Oracle 1z0-076 Exam Syllabus Topics:

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