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1z0-076덤프, 1z0-076최신업데이트인증덤프자료

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Oracle 1z0-076 시험요강:

주제
소개

주제 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.

주제 2

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.

주제 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.

주제 4

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.

주제 6

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.

주제 7

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.

주제 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.

주제 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.

주제 11

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.

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최신 Oracle Database 19c 1z0-076 무료샘플문제 (Q25-Q30):

질문 # 25
Which THREE statements are true about Far Sync instances?

A. They work with any protection level.
B. A primary database can ship redo directly to multiple Far Sync instances.
C. They use an spfMe, a standby controlfile, and standby redo logs.
D. They enable standby databases to be configured at remote distances from the primary without impacting performance on the primary.
E. The Data Guard Broker must be used to deploy and manage Far Sync instances.

정답：B,D,E

질문 # 26
Your Data Guard environment has a remote physical standby database with real-time query enabled, which is used for reporting, and a logical standby database used for DSS reporting.
Switchovers or failovers are possible due to testing or in case of a disaster.
Clients use local TNSNAMES.ORA files to define connection strings to the database instances.
Which three will prevent clients from connecting to the wrong database instances?

A. The DB_NAME and DB_UNIQUE_NAME parameters must be set to the same value for all the databases in the Data Guard environment.
B. The LOCAL_LISTENER parameter on the primary database instance must always be set.
C. Client TNS entries for the databases use the correct service names for the intended service.
D. The standby database services must be defined statically with the Listeners running on the standby database hosts.
E. Oracle Net connectivity to the primary database instance must be established on all the standby database instances.
F. A service name is registered with the local listener of each database instance.
G. The client applications must use the correct TNS entries when requesting connections to the database instances.

정답：C,D,G

설명：
Based on Oracle Database 19c: Data Guard Administration documents, the three measures that can prevent clients from connecting to the wrong database instances during switchovers, failovers, or regular operations in a Data Guard environment are:
* B. The standby database services must be defined statically with the Listeners running on the standby database hosts.
* D. The client applications must use the correct TNS entries when requesting connections to the database instances.
* E. Client TNS entries for the databases use the correct service names for the intended service.
* In an Oracle Data Guard configuration, correctly configuring Oracle Net Services (including TNS entries and listeners) is crucial for ensuring that clients connect to the appropriate database instance, whether it's the primary or standby. Defining services on the standby database and associating them with listeners ensures that client applications can connect to the standby when needed, especially useful in a role transition or when the standby is open for read-only access or real-time query. It's essential that TNS entries used by client applications specify the correct service names that correspond to the intended
* database roles, such as primary or standby. This setup facilitates seamless connectivity to the appropriate instance based on the role, especially critical during switchovers and failovers when the roles of the databases change.
* References:Oracle's Data Guard concepts and administration guide provides extensive information on configuring network services for Data Guard environments, ensuring that applications connect to the correct database instance based on the current role of the databases in the Data Guard configuration.

질문 # 27
On your logical standby database, you specified these rules:

After completion of the weekend batch cycle you attempt to delete the SQL Apply filters:

Which is TRUE regarding the execution of the UNSKIP procedure?

A. It deletes both the SQL Apply filters.
B. It succeeds only if all DML statements executed on the primary have been applied on the logical standby deleting the SQL Apply filter.
C. It succeeds but the SQL Apply filters are not deleted.
D. It succeeds only if SQL apply is stopped before deleting the SQL Apply filter.
E. It returns an error because the syntax to delete a SQL Apply filter must specify the same object names as specified when the filter was added.

정답：A

설명：
The execution of the UNSKIP procedure is designed to remove SQL Apply filters that have been previously set up on a logical standby database. Based on the provided statements, the UNSKIP procedure is directed to delete any SQL Apply filters for DML statements associated with objects in the 'HR' schema that start with 'EMP'. Since both SKIP procedures had the same schema name ('HR') and statement type ('DML'), and the UNSKIP procedure uses a wildcard (%) for the object name, it will successfully remove both of the SQL Apply filters for 'EMP_NEW' and 'EMP_OLD', as both object names match the pattern provided in the UNSKIP procedure.
Reference:
Oracle's Data Guard documentation and SQL Language Reference provide insights into managing SQL Apply filters on a logical standby database using the DBMS_LOGSTDBY package. This includes adding and removing filters through SKIP and UNSKIP procedures.

질문 # 28
Which THREE are always benefits of using a logical standby database?

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

정답：D,E,F

설명：
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.
Reference:
Oracle Data Guard Concepts and Administration Guide
Oracle Database High Availability Overview

질문 # 29
Which three are prerequisites for enabling Fast-Start Failover?

A. Flashback Database must be enabled on the primary database.
B. A static service name must be configured only for the Fast-Start Failover target standby database.
C. The Fast-Start Failover target standby database must receive REDO synchronously when the configuration operates in Maximum Availability mode.
D. The Fast-Start Failover target standby database may receive REDO either synchronously or asynchronously when the configuration operates in Maximum Performance mode.
E. Flashback Database must be enabled on the Fast-Start Failover target standby database.

정답：A,C,E

질문 # 30
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참고: Itcertkr에서 Google Drive로 공유하는 무료 2025 Oracle 1z0-076 시험 문제집이 있습니다: https://drive.google.com/open?id=1KRjK4PozJcGoGihYwsJyJfxaXBlvwTDh