As a seasoned Oracle Fusion Technical consultant, I understand the importance of mastering key skills to succeed in today’s competitive IT environment. Oracle Fusion Technical empowers organizations to streamline integrations, customize applications, and enhance functionality through robust cloud-based solutions.

Whether you're preparing for an interview or looking to expand your expertise, this thoughtfully curated set of interview questions addresses fundamental concepts, technical scenarios, and industry best practices. Built on real-world experience and problem-solving insights, these questions are designed to help you build the confidence and expertise needed to excel in your Oracle Fusion Technical career.

Oracle Fusion Technical roles require in-depth expertise in various components like Application Development Framework (ADF), Business Process Execution Language (BPEL), Integration Cloud Services (OIC), and Data Migration. If you are an experienced professional looking to advance in your career, preparing for complex technical questions is crucial. Here are the top 15 advanced Oracle Fusion Technical interview questions to help you stand out.

1. What are the key components of Oracle Fusion Technical architecture?

A: Oracle Fusion Technical architecture consists of multiple layers, including:

• User Interface (UI) – Oracle ADF-based web applications.
• Business Components – ADF Business Components (BC), Business Objects (BO).
• Service-Oriented Architecture (SOA) – Oracle SOA Suite, BPEL, Mediator.
• Integration Services – Oracle Integration Cloud (OIC), Web Services, REST/SOAP APIs.
• Data Management – Oracle BI, OTBI, BIP, FBDI, ADFdi.

2. What is ADF in Oracle Fusion, and why is it important?

A: Oracle Application Development Framework (ADF) is a Java EE-based development framework used for building enterprise applications. It provides:

• Reusability through ADF components.
• Model-View-Controller (MVC) architecture.
• Integration with Oracle WebLogic and SOA.
• Drag-and-drop UI capabilities with Oracle JDeveloper.

3. How do you implement data migration in Oracle Fusion using FBDI?

A: FBDI (File-Based Data Import) is a bulk data loading method. The process includes:

• Downloading the relevant FBDI template.
• Populating the template with data.
• Generating a CSV file using a macro.
• Uploading the file to UCM (Universal Content Management).
• Running the ‘Load Interface File for Import’ process.
• Submitting the corresponding ‘Import’ process.

4. Explain the differences between SOAP and REST APIs in Oracle Fusion.

A:

• Feature
• SOAP API
• REST API
• Protocol
• Uses XML-based messaging
• Uses JSON or XML
• Performance
• Slower due to complex XML structure
• Faster due to lightweight JSON
• Security
• WS-Security standard
• OAuth 2.0, SSL
• Use Case
• Batch processing, transactions
• Real-time integrations

5. What are Oracle Business Events, and how do they work?

A: Oracle Business Events capture system activities and trigger automated responses. They are used for:

• Workflow Automation – Initiating workflows based on events.
• Integration – Sending event data to external systems.
• Notifications – Alerting users on critical system changes.

Example: When an invoice is approved, an event can trigger an API call to update external systems.

6. How do you secure web services in Oracle Fusion?

A: Oracle Fusion applications use multiple security methods for web services:

• OAuth 2.0 for token-based authentication.
• WS-Security for SOAP web services.
• Role-based access control (RBAC) to restrict API access.
• TLS/SSL encryption to secure data in transit.

7. What is ESS (Enterprise Scheduler Service), and how is it used?

A: ESS automates and schedules background processes. Key features include:

• Job scheduling for reports, data imports, and batch processes.
• Parallel job execution for performance optimization.
• Integration with Oracle BI Publisher for automated report generation.

Example: Running the ‘Import Journals’ process on a scheduled basis.

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8. Explain the use of OTBI and BI Publisher in Oracle Fusion.

A:

• OTBI (Oracle Transactional Business Intelligence) – Self-service reporting tool using real-time transactional data.
• BI Publisher – Used for custom report generation with multiple output formats (PDF, Excel, XML).

OTBI is ideal for ad-hoc analysis, while BI Publisher is preferred for formatted reports.

9. How do you develop custom BIP reports in Oracle Fusion?

A:

• Create a Data Model in BI Publisher.
• Define SQL Queries or BI Data Source.
• Design the Report Layout (RTF, Excel, PDF).
• Deploy and Schedule the Report.

10. What is the role of HCM Extracts in Oracle Fusion HCM?

A: HCM Extracts facilitate bulk data extraction for HR processes. They are used for:

• Payroll processing.
• Data integration with third-party applications.
• Employee records management.

11. How does Oracle Integration Cloud (OIC) facilitate integrations?

A: Oracle Integration Cloud provides:

• Prebuilt Adapters – SaaS and on-premise connectivity.
• Process Automation – BPEL and workflow management.
• Data Mapping and Transformation – JSON/XML conversion.

Example: Integrating Oracle Fusion HCM with third-party payroll systems.

12. What is Fast Formula in Oracle Fusion, and where is it used?

A: Fast Formulas are PL/SQL-like scripts used in:

• Payroll calculations.
• Absence management.
• Benefits processing.

They allow dynamic data processing without modifying application logic.

13. How do you create and manage roles in Oracle Fusion Security?

A:

• Create Custom Roles via Security Console.
• Assign Privileges and Data Access to restrict functionality.
• Use Role Hierarchies to inherit permissions.

Example: Creating a ‘Senior Financial Analyst’ role with read-only access to journals.

14. How do you debug issues in Oracle Fusion Technical configurations?

A:

• Review ESS Logs for batch job failures.
• Use BI Publisher Log Level Settings to troubleshoot reports.
• Enable ADF Debug Mode for UI issues.
• Monitor SOA Composite Instances for integration failures.

15. What are the best practices for Oracle Fusion Technical implementations?

A:

• Use Web Services over File-based Integration for real-time performance.
• Follow RBAC security principles to restrict data access.
• Implement Error Handling Mechanisms in OIC and SOA integrations.
• Use Version Control for BIP Reports and Fast Formulas.

Mastering these advanced Oracle Fusion Technical interview questions will significantly enhance your chances of success. As organizations move towards cloud-based ERP solutions, expertise in integrations, security, and automation is essential. Stay updated with Oracle Fusion advancements and refine your skills to stay ahead in your career.

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Tech Leads IT offers a comprehensive Oracle Fusion Technical Online Training program designed to cater to both beginners and experienced professionals aiming to deepen their knowledge of Oracle Fusion applications. This course focuses on practical, hands-on learning, covering critical areas such as Application Development Framework (ADF), Business Process Execution Language (BPEL), Integration Cloud Services, and Data Migration. Additionally, advanced topics like customizations, security implementation, and seamless integration with Oracle ERP are explored to address complex business needs.

Guided by industry experts, this training bridges the gap between theoretical concepts and real-world application, equipping participants with the skills and tools necessary to solve practical challenges and achieve Oracle Fusion Technical certifications. Whether you're aiming to upskill, advance your career, or transition into a specialized technical role, the well-structured curriculum ensures you are fully prepared to excel in Oracle Fusion Technical development and implementation.

About the Trainer

Mr. Vijay, a highly respected Oracle Fusion Technical expert, brings over 16 years of hands-on industry experience to the training program. With a track record of delivering more than 60 training batches and mentoring over 21,000 students worldwide, he is known for his practical, project-oriented teaching methodology. His sessions emphasize real-time scenarios, enabling learners to gain a thorough understanding of Oracle Fusion Technical concepts. From ADF and BPEL to Integration Cloud Services and Data Migration, his training is tailored to prepare participants for success in technical roles within the Oracle ecosystem.