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2025 Dumps 1z1-076 Guide | Latest 100% Free Oracle Database 19c: Data Guard Administration Real Braindumps

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Oracle 1z1-076 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

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

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 4

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 5

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

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 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.

Oracle Database 19c: Data Guard Administration Sample Questions (Q108-Q113):

NEW QUESTION # 108
You are licensed to use Oracle Active Data Guard.
Which TWO statements are true after enabling block change tracking on a physical standby database?

A. It starts the CTWR process on the physical standby database instance.
B. It allows fast incremental backups to be offloaded to a snapshot standby database, when the physical standby database is converted.
C. It allows fast incremental backups to be taken on the primary database.
D. It allows fast incremental backups to be offloaded to the physical standby database.
E. It starts the RVWR process on the physical standby database instance.
F. It starts the CTWR process on the primary database instance.

Answer: D,E

Explanation:
Block change tracking is a feature that enhances the efficiency of incremental backups by recording changed blocks in a tracking file. When used with Oracle Active Data Guard:
* It starts the RVWR process on the physical standby database instance (A): When block change tracking is enabled on a physical standby database, the Recovery Writer (RVWR) process is initiated.
This process is responsible for recording the changes to blocks in the block change tracking file, which is then used to optimize incremental backups.
* It allows fast incremental backups to be offloaded to the physical standby database (E): With block change tracking enabled on the physical standby database, fast incremental backups can be offloaded from the primary database. This reduces the workload on the primary database and utilizes the standby database for backup operations, improving overall system performance and efficiency.References:
* Oracle Database Backup and Recovery User's Guide
* Oracle Active Data Guard documentation

NEW QUESTION # 109
Examine the Data Guard configuration:
DGMGRL> show configuration;
Configuration - Animals
Protection Mode: MaxAvailability
Databases:
dogs - Primary database
cats - Snapshot standby database
sheep - Snapshot standby database
Fast-Start Failover: DISABLED
Configuration Status:
ORA-01034: ORACLE not available
ORA-16625: cannot reach database "dogs"
DGM-17017: unable to determine configuration status
ou wish to perform a failover to sheep. Which command, or sequence of commands, should you issue to the broker before executing failover to sheep; using the broker?

A. DGMGRL> convert database cats to physical standby;
B. DGMGRL> convert database sheep to physical standby;
DGMGRL> edit configuration set protection mode as maxperformance;
DGMGRL> convert database sheep to physical standby;
C. DGMGRL> convert database cats to physical standby;
D. DGMGRL> convert database sheep to physical standby;
E. None, because you can directly failover to a Snapshot Standby Database.

Answer: D

NEW QUESTION # 110
Active Data Guard (ADG) databases are widely used to offload reporting or ad hoc query-only jobs from the primary database. Reporting workload profile is different from the primary database and often requires tuning.
Which tool is used to tune SQL workloads running on an ADG database?

A. SQL Tuning Advisor
B. Automatic Workload Repository (AWR)
C. Automatic Diagnostic Database Monitor (ADDM)
D. Standby Statspack
E. In-Memory Active Session History (ASH)

Answer: B

Explanation:
AWR collects, processes, and maintains performance statistics for problem detection and self-tuning purposes. In an Active Data Guard environment, where the physical standby database can be used for read-only workloads, AWR can be instrumental in identifying performance bottlenecks and areas for optimization. It provides detailed reports that include wait events, time model statistics, and active session history, making it an invaluable tool for tuning SQL queries and overall database performance in an ADG setup.

NEW QUESTION # 111
A customer asks you to propose the most appropriate solution for this set of requirements:
We need a disaster recovery solution that enables us to fail over from our production database with zero data loss.
We want to generate reports from the proposed standby database at the same time that it is used for data protection.
Developers may need to test occasionally on a copy of the live database Which TWO solutions would you recommend?

A. A logical standby database with real-time apply enabled
B. A logical standby database with real-time query enabled
C. A snapshot standby database with synchronous redo transport
D. A physical standby database with real-time apply enabled
E. A physical standby database with real-time query enabled

Answer: B,E

NEW QUESTION # 112
Which two statements are true regarding Data Guard environments in an Oracle Muti-tenant architecture?

A. The Data Guard broker may be used for multi-tenant databases.
B. Different redo transport methods can be configured for different pluggable databases within one Data Guard environment.
C. A Data Guard environment with a multi-tenant primary database can operate in any Protection mode.
D. PDB_FILE_NAME CONVERT must be set to enable creation of standby databases if they are created on the same host as the primary.
E. Standby redo log files are required for each pluggable database that is protected with Data Guard.

Answer: A,C

Explanation:
Oracle Multi-tenant architecture and Data Guard have several interactions, but specific aspects hold true in such environments:
The Data Guard broker may be used for multi-tenant databases (B): Data Guard Broker simplifies the management and monitoring of Data Guard configurations and is fully compatible with the Oracle Multi-tenant architecture, allowing for easy management of Data Guard configurations that include multi-tenant container databases (CDBs) and their pluggable databases (PDBs).
A Data Guard environment with a multi-tenant primary database can operate in any Protection mode (E): Data Guard can be configured to operate in Maximum Performance, Maximum Availability, or Maximum Protection mode, regardless of whether the primary database is a multi-tenant database. This flexibility ensures that Data Guard can meet various data protection and availability requirements in multi-tenant environments.
Reference:
Oracle Data Guard Broker documentation
Oracle Multitenant Administrator's Guide

NEW QUESTION # 113
......

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