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[Hardware] The Best Oracle - 1z1-076 - New Oracle Database 19c: Data Guard Administration D

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【Hardware】 The Best Oracle - 1z1-076 - New Oracle Database 19c: Data Guard Administration D

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After purchasing the 1z1-076 exam dumps from DumpTorrent, you will have access to three formats designed by DumpTorrent for the preparation of the Oracle 1z1-076 exam. These Oracle Database 19c: Data Guard Administration exam dumps formats will provide actual Oracle 1z1-076 PDF Questions to help you prepare for the Oracle 1z1-076 exam.
Oracle 1z1-076 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 4
  • 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 6
  • 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 7
  • 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.
Topic 8
  • 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 9
  • 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 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.
Topic 11
  • 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 12
  • 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 13
  • 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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q30-Q35):NEW QUESTION # 30
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. The DG_BROKER_START parameter must be set to TRUE for both database instances.
  • B. The primary database must have FORCE LOGGING enabled.
  • C. The standby database must have supplemental logging enabled.
  • D. The primary database must have supplemental logging enabled.
  • E. A local net service name to enable connectivity to the PRODSBYI database instance must be defined on the primary database host.
  • F. The LOG_ARCHIVE_DEST_n parameters with the service attribute set must be cleared.
Answer: A,D,E
Explanation:
When setting up a Data Guard Broker configuration for a primary database and its physical standby, the following prerequisites must be met:
A: Oracle Net connectivity must be defined on both the primary and standby hosts to enable the respective database instances to communicate with each other.
B: Supplemental logging is required on the primary database because it provides additional logging necessary for the standby database to be able to apply changes from the primary database accurately.
F: The DG_BROKER_START parameter must be set to TRUE for both the primary and standby database instances. This parameter is used to start the Data Guard Broker process which manages the configuration.
Options C and D are not prerequisites for creating a Data Guard Broker configuration. Additionally, while FORCE LOGGING mode (option E) is recommended as a best practice to prevent possible data inconsistencies during media recovery, it is not a strict prerequisite for creating a Data Guard Broker configuration.

NEW QUESTION # 31
You are planning to perform block comparison using the dbms comp package:

Which TWO statements are true?
  • A. It can be used to detect lost writes and inconsistencies between the primary database and the cascaded standbys.
  • B. The databases should be at least mounted before block comparison.
  • C. You can monitor the progress of an ongoing block comparison operation by querying VS SES SION_LONGOPS.
  • D. Logical standby databases can be the target database for the dbms_dbcomp.dbcomp procedure.
  • E. It requires that the DB_LOST_WKITE_protect initialization parameter be enabled.
Answer: B,C
Explanation:
The DBMS_COMPARISON package, used for comparing and converging data objects within a single database or between databases, requires that the databases involved in the block comparison be at least mounted (A). This allows the procedure to access the data blocks for comparison. Additionally, the progress of long-running operations such as block comparison can be monitored using the dynamic performance view V$SESSION_LONGOPS (D), which provides information on the operation's progress and estimated completion time.
References:Oracle Database PL/SQL Packages and Types Reference provides comprehensive details on the DBMS_COMPARISON package, including its procedures and how to monitor their progress. Additionally, Oracle Database Reference explains the V$SESSION_LONGOPS view, which is commonly used for monitoring long operations in the database.

NEW QUESTION # 32
You notice that the SQL apply lag on your logical standby database has increased but the redo transport lag has not.
Which four could be reasons for the increase in SQL apply lag?
  • A. The standby redo log files are undersized on the primary database
  • B. An undersized undo tablespace on the logical standby
  • C. An undersized shared pool
  • D. Many SQL apply operations do full table scans
  • E. An increased number of bulk updates on the primary
  • F. An increased number of bulk inserts on the primary
Answer: B,C,D,E
Explanation:
The SQL apply lag on a logical standby database can be caused by several factors:
A: An undersized undo tablespace can lead to delays in SQL apply operations as it may not be able to handle the volume of undo records generated by the SQL apply process.
B: SQL apply operations that do full table scans can consume significant system resources, potentially leading to higher apply lag.
C: An increased number of bulk updates on the primary database may generate a large volume of redo data, which can cause apply lag if the logical standby cannot apply the changes quickly enough.
F: An undersized shared pool may affect the parsing and execution of SQL statements by SQL apply, which can contribute to the apply lag.
Option D is less likely to be a direct cause of SQL apply lag compared to bulk updates, as inserts generate new data rather than modifying existing data, which SQL apply can typically handle more efficiently.
Option E is incorrect because the size of the standby redo log files on the primary database impacts redo transport lag, not SQL apply lag.

NEW QUESTION # 33
Examine the fast-start failover configuration:

  • A. 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.
  • B. The observer will initiate a failover when the primary database is unable to produce local archived redo log files.
  • C. 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
  • D. The observer is running.
  • E. You must disable fast-start failover first to change the fast-start failover target to East sales.
Answer: B,C,D

NEW QUESTION # 34
Which TWO statements are true regarding Data Guard Broker?
  • A. It automatically starts the DMON process for the database instances that are part of a Data Guard configuration.
  • B. It can be used to monitor redo transport and log apply services.
  • C. It can be used to create and manage standby databases.
  • D. It can be used to perform failovers and switchovers.
  • E. It automatically adds the primary database to an existing broker configuration when Enterprise Manager Cloud Control is used to create a standby.
Answer: C,D

NEW QUESTION # 35
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