1Z1-076 RELIABLE TEST GUIDE | 1Z1-076 DUMP COLLECTION

1z1-076 Reliable Test Guide | 1z1-076 Dump Collection

1z1-076 Reliable Test Guide | 1z1-076 Dump Collection

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Oracle 1z1-076 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 3
  • 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 4
  • 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.
Topic 5
  • 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 6
  • 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 7
  • 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 8
  • Using Oracle Active Data Guard: Supported Workloads in Read-Only Standby Databases: Here, the usage of physical standby databases for real-time queries is discussed.
Topic 9
  • Managing Physical Standby Files After Structural Changes on the Primary Database: The topic covers managing structural changes in the primary database and their impact on physical standby files.
Topic 10
  • Enhanced Client Connectivity in a Data Guard Environment: This topic focuses on enhancing client connectivity in a Data Guard setup and implementing failover procedures for seamless client redirection. It also covers application continuity to ensure uninterrupted operations during role transitions.
Topic 11
  • Patching and Upgrading Databases in a Data Guard Configuration: This section provides guidance on patching and upgrading databases in a Data Guard environment, along with performance optimization techniques and monitoring considerations.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q98-Q103):

NEW QUESTION # 98
Which THREE are true about using flashback database in a Data Guard environment?

  • A. You can use it when real-time apply is enabled in case the physical standby suffers from logical corruption.
  • B. When a flashback database operation is performed on a primary database, a logical standby database is also flashed back automatically.
  • C. When a flashback database operation is performed on a primary database, a physical standby database is also flashed back automatically.
  • D. You can use it when real-time apply is enabled in case the phylt may not be used to flash back a primary database after a failover to a logical standby.
  • E. It may not be used to flash back a primary database after a failover to a physical standby.
  • F. It may be used to flash back a physical standby that receives redo from a far sync instance.

Answer: A,E,F

Explanation:
Flashback Database is a feature that allows reverting a database to a previous point in time, which is extremely useful in various Data Guard configurations:
* It may be used to flash back a physical standby that receives redo from a far sync instance (C):
Flashback Database can be used on a physical standby database to revert it to a past point in time, even when it is receiving redo data from a far sync instance. This can be particularly useful to recover from logical corruptions or unwanted changes.
* You can use it when real-time apply is enabled in case the physical standby suffers from logical corruption (D): Even when real-time apply is enabled, which allows redo data to be applied to the standby database as soon as it is received, Flashback Database can be used to revert the physical standby database to a point in time before the logical corruption occurred.
* It may not be used to flash back a primary database after a failover to a physical standby (E):
After a failover has occurred from a primary to a physical standby database, making the standby the new primary, Flashback Database cannot be used to revert the old primary database to a state before the failover because the failover operation makes irreversible changes to the database role and configuration.References:
* Oracle Database Backup and Recovery User's Guide
* Oracle Data Guard Concepts and Administration


NEW QUESTION # 99
Examine this query and its output:

Which two statements are true?

  • A. The master observer is currently running on ol7.example.com.
  • B. The master observer is connected to the database on which the query was executed.
  • C. Cats is a bystander database.
  • D. The master observer is not connected to the database on which the query was executed.
  • E. The master observer is not running, but should run on ol7.example.com.

Answer: C,D

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.
ReferencesOracle documentation on Data Guard configurations and the V$DATABASE view which provides information about the fast-start failover status and observer host.


NEW QUESTION # 100
Which THREE are always benefits of using a logical standby database?

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

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 # 101
Examine the following parameter settings of the physical standby database:
* STANDBY_FILE_MANAGEMENT=AUTO
* ENABLED_PDBS_ON_STANDBY=<null>
During which TWO tasks are files automatically created in the physical standby database after structure changes on the primary database?

  • A. Performing transportable tablespaces
  • B. Adding a data file or creating a tablespace
  • C. Renaming a data file in the primary database
  • D. Creating a PDB from the existing PDB within the same CDB
  • E. Adding or dropping a redo file group

Answer: B,D

Explanation:
When STANDBY_FILE_MANAGEMENT is set to AUTO, the Oracle Data Guard automatically creates, deletes, and renames files on the standby database to match the changes made on the primary database. The tasks that lead to the automatic creation of files on the standby include:
* Adding a data file or creating a tablespace (C): When a new tablespace is created or a new data file is added on the primary database, the standby database automatically replicates this action, maintaining structural consistency with the primary database.
* Creating a PDB from the existing PDB within the same CDB (D): Creating a new Pluggable Database (PDB) within a Multitenant Container Database (CDB) on the primary database triggers an automatic creation of the corresponding PDB within the standby CDB.References:
* Oracle Data Guard Concepts and Administration Guide


NEW QUESTION # 102
In Oracle Database 19c, you can set the value of database initialization parameters in a database using the EDIT DATABASE... SET PARAMETER Command:
DGMGRL> EDIT DATABASE 'boston' SET PARAMETER log_archive_trace - 1;
Which THREE statements are TRUE about the command?

  • A. The value set using this command is directly stored in the broker configuration file.
  • B. The edit database parameter command can only be used to modify the value of a dynamic parameter in a database.
  • C. The database must be available when the above command is run.
  • D. The EDIT DATABASE PARAMETER command can be used to set the value of a static parameter in a database.
  • E. The value set using this command is directly applied to the boston database.

Answer: B,C,E

Explanation:
The EDIT DATABASE...SET PARAMETER command in Data Guard Management (DGMGRL) is used to modify the value of initialization parameters for a database within a Data Guard configuration. This command can be used to modify both static and dynamic parameters, but if a static parameter is changed, the new value will take effect only after the database is restarted. The database must be up and running for the command to execute, and the values set using the command are directly applied to the specified database (in this case, 'boston') .


NEW QUESTION # 103
......

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