
Top 20 Oracle Fusion Technical Mock Interview – Common Questions & Expert Tips
Preparing for an Oracle Fusion Technical interview? Whether you're a fresher or an experienced professional transitioning into Oracle Cloud, mock interviews are a great way to boost your confidence. To help you succeed, we've compiled the Top 20 Oracle Fusion Technical interview questions along with expert tips for answering them.
Why Practice Mock Interviews?
Oracle Fusion Technical Online Training roles demand strong hands-on knowledge and real-time problem-solving skills. Practicing mock interviews helps you:
Understand the type of questions asked
Structure your answers better
Handle scenario-based queries
Stand out with clear, confident responses
✅ Top 20 Oracle Fusion Technical Interview Questions
1. What is Oracle Fusion Middleware and how does it relate to Fusion Applications?
Tip: Emphasize the role of middleware components like SOA Suite, ADF, WebLogic, and their integration with Fusion Apps.
2. Explain the Oracle Fusion application architecture.
Tip: Mention key layers: Web, Business Logic (ADF), Middleware, and Database.
3. What are the different types of integrations supported in Oracle Fusion?
Tip: Talk about SOAP/REST web services, File-based integration, OIC, and BIP-based approaches.
4. What is Oracle Integration Cloud (OIC) and how is it used?
Tip: Share use cases like SaaS-to-SaaS or SaaS-to-On-Prem integrations with visual flow designs and adapters.
5. Explain the role of ADF in Fusion Technical development.
Tip: Describe how ADF helps in building the UI and handling business logic within the Fusion ecosystem.
6. How do you migrate data into Fusion Applications?
Tip: Highlight FBDI, ADFdi, HDL, and REST API methods depending on the module.
7. What is FBDI and how do you use it?
Tip: Discuss downloading templates, populating data, and uploading through UCM and ESS jobs.
8. Explain HDL and its use cases.
Tip: HDL is used primarily in HCM but can be extended. Discuss structure, .dat files, and bulk loading.
9. What is a BIP Report and how is it different from OTBI?
Tip: BIP is XML-based, used for pixel-perfect reports. OTBI is more user-driven and real-time analytics focused.
10. How do you create a custom BI Publisher report?
Tip: Talk about data models, layout templates (RTF/XSLT), and scheduling the report.
11. How do you customize seeded reports?
Tip: Mention using BI Publisher to duplicate and modify seeded data models or layouts.
12. How do you secure custom reports in Fusion?
Tip: Assign the report to a custom role or duty, and define security policies.
13. What are ESS Jobs and how do you create them?
Tip: Explain scheduling jobs, associating them with BIP reports or PL/SQL scripts, and job sets.
14. How do you call a web service from Oracle Fusion?
Tip: Use web service proxies or integrations via SOAP/REST using Oracle SOA or OIC.
15. What is UCM and what is its purpose in Oracle Fusion?
Tip: It's the content management server for file uploads (used with FBDI, BIP, etc.).
16. How do you monitor and troubleshoot integrations in OIC?
Tip: Use the monitoring dashboard to view errors, audit logs, and reprocess messages.
17. What is a sandbox in Oracle Fusion?
Tip: Used for UI customizations like page layout, expressions, and personalization.
18. Explain REST vs SOAP in Oracle Integration.
Tip: REST is lightweight and widely used in cloud apps; SOAP is more secure and traditional.
19. How do you use lookup codes and flexfields in customization?
Tip: Mention configuring Descriptive Flexfields (DFF), Key Flexfields (KFF), and managing lookup codes.
20. Describe a real-time technical issue you resolved in a project.
Tip: Prepare a STAR (Situation, Task, Action, Result) response showcasing your hands-on experience.