Top 25+ Oracle Fusion Technical Interview Questions and Answers
1. What is Oracle Fusion Middleware?
A: Oracle Fusion Middleware is a suite of tools for developing and managing applications. It provides integration, business intelligence, and web-based application support.
2. Explain the architecture of Oracle Fusion Applications.
A: It consists of an Application Layer (various modules), a Middleware Layer (Oracle Fusion Middleware), a Database Layer (Oracle Database), a User Interface Layer (Oracle ADF), and a Security Layer.
3. What is the role of Oracle WebLogic Server?
A: The application server hosts Fusion applications, manages requests and transactions, and provides reliability.
4. What are Oracle ADF components?
A: Oracle ADF includes ADF Business Components (model), ADF Faces (view), ADF Controller (controller), and the ADF Binding Layer (connects UI with business services).
5. What is the Data Model in Oracle Fusion?
A: It defines the structure of the database, including tables and relationships, guiding how data is stored and accessed.
6. What is Oracle Fusion HCM Extract?
A: A tool for extracting employee data from Oracle Fusion HCM for reporting and integration.
7. How do you create and deploy a BI Publisher report?
A: Design the layout, define the data model, upload the files to BI Publisher, and configure access permissions.
8. What is a Web Service in Oracle Fusion?
A: A standardized method for integrating applications, enabling external systems to interact using protocols like SOAP or REST.
9. How does Oracle Integration Cloud support Fusion Applications?
A: It provides pre-built connectors and integration patterns to streamline data synchronization and automate workflows.
10. Explain Application Composer.
A: A tool for customizing Oracle Fusion Applications, allowing users to modify layouts, add fields, and define business rules without coding.
11. What is the Sandbox environment?
A: A safe testing space for experimenting with configurations and customizations without affecting the production environment.
12. How do you configure Security in Oracle Fusion?
A: Using role-based access control, data security policies, functional security policies, and user provisioning to manage access.
13. What are Groovy Scripts?
A: Lightweight scripts used for adding custom logic, data validation, and calculations within Oracle Fusion applications.
14. How do you customize ESS Jobs?
A: Please create a new job definition, configure its properties, and deploy it for scheduling and execution.
15. What is Flexfield?
A: Customizable fields in Oracle Fusion that allow users to capture additional data include Descriptive and Key Fields.
16. How do you migrate configurations using Configuration Packages?
A: Export configurations into a package, validate it and import it into the target environment.
17. What is Oracle BPM?
A: A component of Oracle Fusion Middleware used for modelling, executing, and monitoring business processes and workflows.
18. How is Data Security handled in Oracle Fusion?
A: Using data security policies tied to roles to control access to data objects based on user roles.
19. Explain HCM Data Loader.
A: A tool for bulk importing, updating, and deleting data in Oracle Fusion HCM for migration and integration purposes.
20. What are Scheduled Processes?
A: Background tasks that run periodically or on-demand to perform operations like data imports or report generation.
21. How do you monitor performance in Oracle Fusion?
A: Using Fusion Applications Control Console, Oracle Enterprise Manager, and Application Performance Monitoring tools.
22. What are Fast Formulas in HCM?
A: Used to define business rules for payroll and benefits, calculate values and validate data based on conditions.
23. How does REST API integration work?
A: Enables communication with external systems to perform CRUD operations through HTTP requests.
24. What is Oracle PaaS?
A: A suite of cloud services that extends Oracle Fusion Applications by providing tools for custom applications and integrations.
25. What is Oracle SOA Suite?
A: Facilitates integration through a service-oriented architecture, allowing seamless communication between different systems.