Latest 1z0-1094-23 Actual Free Exam Updated 112 Questions
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Oracle 1z0-1094-23 Exam Syllabus Topics:
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NEW QUESTION # 17
In which mode must the auxiliary instance be started while using the RMAN DUPLICATE command for database migration?
- A. MOUNT
- B. FORCE
- C. OPEN
- D. NOMOUNT
Answer: D
Explanation:
When using the RMAN DUPLICATE command for database migration, the auxiliary instance must be started in NOMOUNT mode. This mode allows the auxiliary instance to be prepared for duplication without opening the database, ensuring that the data files are accessible and can be replicated to create a duplicate database.
NEW QUESTION # 18
Which four Oracle Database Cloud Services are supported as a target database using Oracle Zero Downtime Migration?
(Choose all correct answers)
- A. oracle NOSQL Database Cloud Service
- B. Exadata Cloud Service
- C. Oracle Database Cloud Service
- D. Autonomous Database
- E. Exadata Cloud at Customer
- F. Oracle MySQL Database Cloud Service
Answer: B,C,D,E
Explanation:
Oracle Zero Downtime Migration supports various Oracle Database Cloud Services as target databases, including Oracle Database Cloud Service, Autonomous Database, Exadata Cloud at Customer, and Exadata Cloud Service. These services offer scalable, high-performance database solutions, making them suitable targets for migrations aimed at enhancing infrastructure and taking advantage of cloud capabilities.
NEW QUESTION # 19
Which TWO methods should you use when migrating a target database with different endianness than the source database? (Choose all correct answers)
- A. RMAN Transportable Tablespaces with Data Pump
- B. RMAN RESTORE from target
- C. RMAN CONVERT
- D. RMAN DUPLICATE
Answer: C,D
Explanation:
When migrating a target database with different endianness than the source database, the appropriate methods to use are RMAN DUPLICATE and RMAN CONVERT. RMAN DUPLICATE can be used in combination with conversion operations to create a duplicate database on a remote host with different endianness, while RMAN CONVERT is used to convert data files between different formats, which is necessary when moving between platforms with different endianness.
NEW QUESTION # 20
In which two ways can you use Data Pump to move data to the cloud? (Choose two.)
- A. Import from Oracle Database (database link)
- B. PDB unplug/plug
- C. IRMAN Backup and Restore
- D. Import from a dump file in the OCI Object Storage
Answer: A,D
Explanation:
Data Pump can move data to the cloud by importing from a dump file stored in Oracle Cloud Infrastructure (OCI) Object Storage or directly from an Oracle Database using a database link. These methods allow for efficient data transfer to the cloud, with the dump file method providing a way to stage data in OCI Object Storage and the database link method enabling direct data transfer between databases.
NEW QUESTION # 21
What does ETL stand for?
- A. Export Translate and Load
- B. Extract Transform and Load
- C. Extract Translate and Load
- D. Export Transform and Load
Answer: B
Explanation:
ETL stands for Extract, Transform, and Load. This process involves extracting data from various sources, transforming it into a format suitable for analysis and reporting, and then loading it into a target data warehouse or database. ETL is a fundamental component of data integration and business intelligence processes, facilitating the consolidation and optimization of data for decision-making purposes.
NEW QUESTION # 22
When integrating data from multiple sources into a Data Warehouse schema, you want to check a length constraint that you have imposed on one of the target columns before the rows arrive in the target table. All the rows that do not pass this quality check will have to be isolated in error tables. For this, you have chosen an Integration Knowledge Module (IKM) that supports flow control. You have also chosen the value raue for this parameter to enable this check. At compile time, you see that Oracle Data Integrator (ODI) throws an error and the execution cannot start. What is the reason?
- A. Primary key was not defined on the target table.
- B. The Check Knowledge Module was not set in the physical design.
- C. The integration type was not set in the logical design.
- D. There were no rows compliant with imposed constraint.
Answer: B
Explanation:
When using Oracle Data Integrator (ODI) for data integration with flow control to check constraints, it's essential to set the Check Knowledge Module in the physical design. If this module is not set, ODI cannot perform the required checks during the integration process, leading to errors at compile time and preventing the execution from starting.
NEW QUESTION # 23
Which platform and version supports the deployment of Oracle Zero Downtime Migration Service host?
- A. Red Hat Enterprise Linux 8.2
- B. IBMAIX7.1 and later WW
- C. Solaris 11 Update 3 and later
- D. Oracle Linux 7
- E. Windows 2012 R2 and 2016 R1
Answer: D
Explanation:
Oracle Zero Downtime Migration (ZDM) service host is supported on Oracle Linux 7. This platform is optimized for running Oracle software and provides a stable and secure environment for deploying ZDM, which facilitates seamless database migrations with minimal downtime. Oracle ZDM does not support Windows, IBM AIX, Red Hat Enterprise Linux, or Solaris platforms for its service host deployment.
NEW QUESTION # 24
Which type of checks is NOT supported by Oracle Data Integrator (ODI)?
- A. conditions
- B. keys
- C. mandatory attributes
- D. references
- E. business rule
Answer: E
Explanation:
Oracle Data Integrator (ODI) supports various types of checks, including conditions, keys, references, and mandatory attributes, but it does not inherently enforce business rules. Business rules, which are higher-level validations and constraints defined by business logic, are typically implemented at the application level or within the database through triggers or stored procedures.
NEW QUESTION # 25
Your source database version is 12c and your target database is ATP-D.
Which utility should you use to instantiate the target database?
- A. SQL Developer Migration Wizard
- B. Oracle RMAN Duplicate Database
- C. Datafile Copy to Object Storage
- D. Oracle Data Pump
Answer: D
Explanation:
For migrating a 12c source database to Oracle Autonomous Transaction Processing (ATP-D), Oracle Data Pump is a suitable utility. Data Pump facilitates high-speed data and metadata movement between Oracle databases, making it effective for cloud migrations by exporting data from the source and importing it into the target ATP instance.
NEW QUESTION # 26
What four best practices should you follow with Oracle Data Pump when migrating an Oracle Database to the Oracle Cloud? (Choose four.)
- A. Perform a schema-level export.
- B. Do not use SYS as SYSDBA.
- C. Use SYS as SYSDBA.
- D. Use a parameter file for export and import commands.
- E. Export to multiple dump files with wildcards.
- F. Use a single dump file for all data and metadata.
Answer: A,B,D,E
Explanation:
Best practices for using Oracle Data Pump for database migration to Oracle Cloud include performing schema-level exports to focus on specific schemas, using multiple dump files with wildcards for parallelism and efficiency, avoiding the use of SYS as SYSDBA to maintain security and stability, and utilizing parameter files for export and import commands to manage complex options and improve repeatability and reliability of Data Pump operations.
NEW QUESTION # 27
Which TWO target database environments provide both high availability (HA) and disaster recovery (DR) options in the cloud? (Choose all correct answers)
- A. Database Cloud service Bare Metal
- B. Exadata Cloud Service
- C. Infrastructure as a service
- D. Autonomous Database
Answer: B,D
Explanation:
Both Autonomous Database and Exadata Cloud Service provide high availability (HA) and disaster recovery (DR) options in the cloud. Autonomous Database offers self-driving, self-securing, and self-repairing database capabilities, ensuring high availability. Exadata Cloud Service delivers the performance of Oracle Exadata with cloud-based scalability and flexibility, including robust HA and DR features to protect critical data and maintain business continuity.
NEW QUESTION # 28
Which FOUR Oracle Data Pump impdp parameters should you use when migrating to Autonomous Database? (Choose all correct answers)
- A. REMAP_TABLESPACE=DATA
- B. TRANSFORN PORTABLE=ALWAYS
- C. TRANSFORN=DWCS_CVT_IOTS:Y
- D. TRANSFORN=SEGMENT_ATTRIBUTES:N
- E. TRANSFORM=CONSTRAINT_USE_DEFAULT_INDEX:Y
- F. REMAP_SCHEMA=SYSTEM
Answer: A,C,D,E
Explanation:
When migrating to Autonomous Database using Oracle Data Pump, the parameters TRANSFORM=SEGMENT_ATTRIBUTES:N, TRANSFORM=CONSTRAINT_USE_DEFAULT_INDEX:Y, TRANSFORM=DWCS_CVT_IOTS:Y, and REMAP_TABLESPACE=DATA are essential for optimizing the migration process. These parameters adjust segment attributes, utilize default indexes for constraints, convert index-organized tables, and remap tablespaces, respectively, to ensure compatibility and performance in the Autonomous Database environment.
NEW QUESTION # 29
Which statement is NOT true about the multitenant (container database) architecture of Oracle Database?
- A. The SGA is shared between PDBs.
- B. The data flies are shared between PDBs.
- C. The redo log files are shared between PDBs.
- D. The background processes are shared between PDBs.
Answer: B
Explanation:
In the multitenant architecture of Oracle Database, each Pluggable Database (PDB) has its own set of data files, and they are not shared between PDBs. This architecture allows for data isolation and security among different PDBs within the same Container Database (CDB). The background processes, System Global Area (SGA), and redo log files, however, are shared among all PDBs within a CDB to optimize resource usage and management.
NEW QUESTION # 30
Which entry in a Data Pump parameter file ensures consistent export using Data Pump migration to Autonomous Database?
- A. FLASHBACK_TIME
- B. METRIC
- C. LOGTIME
- D. PARALLEL
Answer: A
Explanation:
The FLASHBACK_TIME parameter in a Data Pump parameter file is used to ensure a consistent export by setting a specific point in time for the export operation. This feature leverages Oracle Database's flashback technology to view the data as it existed at a previous point in time, ensuring that the exported data set is consistent and reflects the database state at the specified flashback time, which is crucial for maintaining data integrity during migration to Autonomous Database.
NEW QUESTION # 31
You are creating a data integration mapping in Oracle Data Integrator (ODI). Your source tables are in an on-premises Oracle Database.
Which three items from the source tables can be retrieved by reverse-engineering a model? (Choose three.)
- A. Constraints
- B. Table Statistics
- C. Column names
- D. Table owner
- E. Data types
Answer: A,C,E
Explanation:
Reverse-engineering a model in Oracle Data Integrator (ODI) from source tables in an on-premises Oracle Database retrieves metadata such as constraints (e.g., primary keys, foreign keys), column names, and data types. This information is crucial for creating accurate and functional data integration mappings in ODI.
NEW QUESTION # 32
Which of these provide Active Replication? (Choose two.)
- A. GoldenGate
- B. Active Data Guard
- C. Flashback
- D. Sharding
Answer: A,B
Explanation:
Active Data Guard and Oracle GoldenGate both provide active replication capabilities. Active Data Guard enables real-time data protection and disaster recovery, while Oracle GoldenGate facilitates real-time data integration, replication, and streaming across diverse database environments, ensuring high availability and data consistency.
NEW QUESTION # 33
When building out your private subnet, you realize you need a host within your network in order to get access to the rest of your Oracle Cloud Infrastructure instances. Which type of host should you set up to get around this constraint?
- A. Isolation host
- B. Baston host
- C. Private host
- D. Encrypted host
Answer: B
Explanation:
A Bastion host is used within a network, especially in a private subnet, to provide secure access to Oracle Cloud Infrastructure instances. It acts as a gateway, enabling controlled access to internal instances from an external network, thereby enhancing the security posture by limiting direct exposure of instances to the public internet.
NEW QUESTION # 34
When migrating an Oracle database, you must be aware of source and target requirements. Which TWO statements are true about using Oracle Zero Downtime Migration (ZDM)? (Choose all correct answers)
- A. When migrating with Oracle ZDM and the target database is at a higher patch level than the source database, the data patch utility runs on the target database as a post-migration task.
- B. Source Oracle Real Application Clusters (RAC) Databases can be migrated to Single Instance Databases with Oracle ZDM.
- C. Source Oracle Single Instance Databases can be migrated to Oracle RAC Databases with Oracle ZDM-.
- D. Oracle ZDM supports cross-edition migration, allowing Standard Edition Databases to be migrated to Enterprise Edition Databases.
Answer: B,D
Explanation:
Oracle Zero Downtime Migration (ZDM) supports cross-edition migration, enabling the migration of databases from Oracle Standard Edition to Oracle Enterprise Edition. This flexibility facilitates upgrades to more feature-rich editions of Oracle Database as part of the migration process. Additionally, ZDM allows the migration of Oracle Real Application Clusters (RAC) databases to Single Instance databases, providing versatility in target database configurations and supporting a range of deployment scenarios.
NEW QUESTION # 35
What can you use to quickly load data into a cloud database by dragging and dropping a file in a web browser?
- A. Data Pump Transportable Tablespaces
- B. Data Load tab of the SQL worksheet in Database Actions
- C. Remote cloning a pluggable database (PDB)
- D. RMAN Transportable Tablespace
Answer: B
Explanation:
To quickly load data into a cloud database by dragging and dropping a file in a web browser, the Data Load tab of the SQL worksheet in Database Actions is the ideal tool. This feature simplifies the process of importing data into Oracle Cloud databases, allowing users to easily upload files without the need for complex database commands or scripts.
NEW QUESTION # 36
Which THREE methods can be used to migrate an on-premises Oracle Database to Oracle Autonomous Database? (Choose all correct answers)
- A. Oracle Zero Downtime Migration
- B. Data Guard
- C. Enterprise Manager
- D. Data Pump Export/lmport
- E. PDB Unplugging/Plugging
Answer: A,D,E
Explanation:
To migrate an on-premises Oracle Database to Oracle Autonomous Database, methods such as Data Pump Export/Import, Oracle Zero Downtime Migration, and PDB Unplugging/Plugging can be used. Data Pump facilitates structured data movement, ZDM enables continuous replication for minimal downtime migrations, and PDB Unplugging/Plugging allows for the seamless transfer of pluggable databases to the cloud.
NEW QUESTION # 37
You want to replicate data real time between two Oracle Databases. Which integration product should you use?
- A. Oracle GoldenGate
- B. Oracle Enterprise Data Quality
- C. Oracle Data Integrator
- D. Oracle Enterprise Manager
Answer: A
Explanation:
Oracle GoldenGate is the preferred integration product for real-time data replication between Oracle Databases. It provides low-impact, real-time change data capture, transformation, and delivery, enabling high availability solutions, real-time data integration, transactional change data capture, data replication, transformations, and verification between operational and analytical enterprise systems.
NEW QUESTION # 38
You are looking at migrating a large data centre to the Oracle Cloud while trying to consolidate many Oracle Databases at the same time. Which Oracle Data Management Service helps you achieve this?
- A. oracle Data Safe
- B. oracle Exadata Cloud Service
- C. oracle MySQL Cloud Service
- D. oracle Autonomous Database
Answer: B
Explanation:
Oracle Exadata Cloud Service is designed to consolidate numerous Oracle Databases, providing high performance, scalability, and reliability. It offers a cloud-based platform with the same Exadata optimizations found in on-premises deployments, making it ideal for large data center migrations to Oracle Cloud.
NEW QUESTION # 39
You are using Oracle Data Integrator (ODI). Which three topology elements are required to extract data out of Fusion SaaS applications and load it into Autonomous Data Warehouse (ADW)? (Choose all correct answers)
- A. File
- B. Oracle (ADW)
- C. BI Cloud Connector
- D. In-Memory Engine
- E. Object Storage
Answer: A,B,E
Explanation:
To extract data from Fusion SaaS applications and load it into Autonomous Data Warehouse (ADW) using Oracle Data Integrator (ODI), the essential topology elements include the Oracle (ADW) data server, File data server for handling flat files, and Object Storage to store and manage data files in the cloud. These components work together to facilitate the extraction, storage, and loading of data in an efficient and scalable manner.
NEW QUESTION # 40
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