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1z0-076 Schulungsangebot, 1z0-076 Zertifizierungsfragen

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Echte 1z0-076 Fragen und Antworten der 1z0-076 Zertifizierungsprüfung

Die Oracle 1z0-076 Zertifizierungsprüfung sind jedem IT-Fachmann sehr wichtig. Solange Sie das 1z0-076 Zertifikat bekommen, werden Sie im Beruf sicher nicht aussondert. Sie werden befördert und ein höheres Gehalt beziehen. Mit diesem Zertifikat können Sie alle bekommen, was Sie wünschen. Die Fragenpool zur Oracle 1z0-076Zertifizierungsprüfung von Pass4Test sind die Ressourcen zum Erfolg. Mit diesen Schulungsmaterialien werden Sie den Schritt zum Erfolg beschleunigen. Sie werden sicher mehr selbstbewusster.

Oracle 1z0-076 Prüfungsplan:

Thema
Einzelheiten

Thema 1

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.

Thema 3

Managing Oracle Net Services in a Data Guard Environment: The section focuses on Oracle Net Services and its role in Data Guard networking setup.

Thema 4

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.

Thema 5

Backup and Recovery Considerations in an Oracle Data Guard Configuration: In this topic, Backup and recovery procedures in a Data Guard configuration are discussed, including RMAN backups, offloading to physical standby, and network-based recovery.

Thema 6

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.

Thema 7

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.

Thema 8

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.

Thema 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.

Thema 10

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.

Thema 11

Creating a Logical Standby Database: This topic guides users through the process of creating and managing a logical standby database, including SQL Apply filtering.

Thema 12

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.

Thema 13

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.

Thema 14

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.

Oracle Database 19c: Data Guard Administration 1z0-076 Prüfungsfragen mit Lösungen (Q42-Q47):

42. Frage
Which three actions are performed by the START PLAN procedure of the DBMS ROLLING package?

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

Antwort: B,D,F

Begründung:
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.References:
* Oracle Database PL/SQL Packages and Types Reference
* Oracle Data Guard Concepts and Administration Guide

43. Frage
You must configure flashback database for your Oracle 19c databases that will be part of a Data Guard Broker configuration.
The databases are all in ARCHIVELOG mode.
You will execute the SQL statement:
ALTER DATABASE FLASHBACK ON;
Which three are true concerning this command?

A. If executed successfully on an Oracle 19c primary database, flashback will also be enabled on all logical standby databases that are part of the configuration.
B. It will execute successfully on an Oracle 19c physical standby database while Real Time Query is active.
C. It will execute successfully while an Oracle 19c primary database is open.
D. It will execute successfully on an Oracle 19c logical standby database while SQL apply is active.
E. If executed successfully on an Oracle 19c primary database, flashback will also be enabled on all physical standby databases that are part of the configuration.
F. It will execute successfully while an Oracle 19c primary database is mounted.

Antwort: C,D,F

Begründung:
The command ALTER DATABASE FLASHBACK ON; enables the Flashback Database feature, which provides a way to quickly revert an entire Oracle database back to a previous point in time. This command can be executed while an Oracle 19c primary database is either open (option A) or mounted (option B). It is also applicable to an Oracle 19c logical standby database while SQL Apply is active (option E). However, it's important to note that enabling Flashback Database on the primary does not automatically enable it on all associated standby databases, whether they are physical or logical. Each database in a Data Guard configuration must have Flashback Database explicitly enabled if desired. Real Time Query being active on a physical standby does not directly relate to the ability to execute this command on the standby. References:
The explanation is based on Oracle's concepts for Flashback Technology and Data Guard configurations as detailed in the Oracle Database Backup and Recovery User's Guide and the Oracle Data Guard Concepts and Administration guide.

44. Frage
Which THREE steps are prerequisites for the creation of a physical standby database on a separate server using the RMAN active database duplication method?

A. Put the primary database into archivelog mode.
B. Set the DB_UNIQUE_NAME parameter on the primary database to a different value than that of the DB_NAME name parameter.
C. Establish user equivalence for the database software owner between the primary host and standby host.
D. Configure Oracle Net connectivity on the primary host to the standby database instance.
E. startup nomount the standby database instance.

Antwort: C,D,E

Begründung:
Creating a physical standby database using RMAN active database duplication requires certain prerequisites to ensure a successful and seamless operation:
* Configure Oracle Net connectivity on the primary host to the standby database instance (A):
* Proper Oracle Net connectivity between the primary and standby servers is essential for communication and data transfer during the duplication process. Oracle Net services provide the network foundation for Oracle Database, Oracle Net Listener, and Oracle applications.
* Establish user equivalence for the database software owner between the primary host and standby host (B): User equivalence ensures that the user who owns the Oracle Database software on the primary server has the same privileges on the standby server. This is crucial for RMAN to perform operations on both servers without encountering permission issues.
* Startup nomount the standby database instance (C): The standby database instance needs to be started in the NOMOUNT stage before the duplication can begin. This prepares the environment for creating the control file and restoring the database without mounting it, which is a necessary step in the RMAN duplication process.References:
* Oracle Database Backup and Recovery User's Guide
* Oracle Data Guard Concepts and Administration

45. Frage
A customer has these requirements for their proposed Data Guard implementation:
1. Zero data loss must still be guaranteed through the loss of any one configuration component.
2. The primary database must be protected against a regional disaster.
3. Performance overheads on the primary should be minimized as much as possible given these requirements.
4. Downtime on the primary database for any reason must be kept to a minimum.
Components referred to in the broker commands are:

Antwort: D

Begründung:
According to the requirements stated:
Zero data loss must be guaranteed despite the loss of any one component: This necessitates synchronous redo transport to at least one standby database (for no data loss).
The primary database must be protected against a regional disaster: This implies that there must be a standby database in a different region.
Performance overhead on the primary should be minimized: This suggests that asynchronous transport should be used where possible to reduce the performance impact on the primary.
Downtime on the primary for any reason must be kept to a minimum: This is indicative of a requirement for a fast failover mechanism, possibly with a fast-start failover (FSFO) and high availability.
Given these requirements, the appropriate option that fulfills all these is:
Option C, where 'prima' is the primary database, 'fs1' is the Far Sync instance in the primary region, and 'physt' and 'physt2' are physical standby databases in the primary and remote regions, respectively. In this configuration:
'prima' is set to send redo to 'fs1' using SYNC to guarantee zero data loss.
'fs1' is set to send redo to 'physt' (local standby) using FASTSYNC, which is a low-latency synchronous transport that is optimized for performance.
The Data Guard configuration's protection mode is set to MAXAVAILABILITY to provide the highest level of data protection that is possible without compromising the availability of the primary database.
This configuration ensures that there is zero data loss even if the primary region is completely lost, maintains performance by limiting the synchronous transport to the local region with a Far Sync instance, and has a remote standby database in a separate region for disaster recovery purposes.
Reference:
Oracle Data Guard Concepts and Administration
Oracle Data Guard Broker documentation

46. Frage
Which two are prerequisites for configuring flashback database for Oracle 19c databases, in a Data Guard environment?

A. The data guard broker must be used.
B. The Data Guard real-time apply feature must be enabled.
C. A far sync instance must be configured to flash back a standby when the primary has been flashed back.
D. The database must be in ARCHTVELOG mode.
E. A fast recovery area must be configured.

Antwort: D,E

Begründung:
A fast recovery area must be configured (B): Flashback Database requires a fast recovery area to be set up because flashback logs are stored there. The fast recovery area is a unified storage location for all recovery-related files and activities.
The database must be in ARCHIVELOG mode (C): Flashback Database operation relies on the ability to archive redo logs. Therefore, the database must be running in ARCHIVELOG mode for Flashback Database to be enabled.
Reference:
Oracle Database Backup and Recovery User's Guide
Oracle Data Guard Concepts and Administration Guide

47. Frage
......

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