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Oracle 1z0-076 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 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	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 5	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 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	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 8	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 9	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 10	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 11	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 13	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.

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Oracle Database 19c: Data Guard Administration Sample Questions (Q97-Q102):

NEW QUESTION # 97
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?

A. Decrease the redo log file size on the primary database.
B. Increase the number of standby redo log files on the standby databases.
C. Lower DB_BLOCK_CHECKING to MEDIUM or low on the standby databases.
D. Increase the size of standby redo log files on the standby databases.
E. Increase the size of the buffer cache on the physical standby database instances.

Answer: C,D

Explanation:
To reduce the redo apply lag on standby databases, one could increase the size of the standby redo log files.
Larger redo log files can accommodate more redo data, which may reduce the frequency of log switches and allow for more continuous application of redo data. Additionally, lowering the DB_BLOCK_CHECKING parameter to MEDIUM or LOW on the standby databases can help improve redo apply performance. High block checking can impose additional CPU overhead during the application of redo data, potentially increasing apply lag times. By reducing the level of block checking, you can lessen this overhead and help reduce the apply lag .

NEW QUESTION # 98
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. Change the protection mode to Maximum Protection.
B. Reduce I/O latency for the storage used by the primary database.
C. Increase the network bandwidth between the primary and standby databases.
D. Increase the size of the buffer cache on the standby database instance.
E. Increase the number of standby redo log files on the primary database.
F. Change the protection mode to Maximum Performance.

Answer: B,C

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 # 99
You are planning to perform block comparison using the dbms comp package:

Which TWO statements are true?

A. Logical standby databases can be the target database for the dbms_dbcomp.dbcomp procedure.
B. You can monitor the progress of an ongoing block comparison operation by querying VS SES SION_LONGOPS.
C. It can be used to detect lost writes and inconsistencies between the primary database and the cascaded standbys.
D. It requires that the DB_LOST_WKITE_protect initialization parameter be enabled.
E. The databases should be at least mounted before block comparison.

Answer: B,E

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 # 100
Which two are prerequisites for configuring flashback database for Oracle 19c databases, in a Data Guard environment?

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

Answer: C,D

Explanation:
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

NEW QUESTION # 101
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. Change the protection mode to Maximum Protection.
B. Reduce I/O latency for the storage used by the primary database.
C. Increase the network bandwidth between the primary and standby databases.
D. Increase the size of the buffer cache on the standby database instance.
E. Increase the number of standby redo log files on the primary database.
F. Change the protection mode to Maximum Performance.

Answer: B,C

NEW QUESTION # 102
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ORACLE 1Z0-076 RELIABLE BRAINDUMPS FREE & 1Z0-076 CERTIFICATION

Oracle 1z0-076 Reliable Braindumps Free & 1z0-076 Certification