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Updated: Aug 14, 2026
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Oracle 1Z0-866 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java Enterprise Architect Certified Master Essay |
| Exam Number: | 1Z0-866 |
| Passing Score: | Not publicly disclosed by Oracle |
| Real Exam Qty: | Essay-based (number of questions not publicly specified) |
| Exam Duration: | 120 minutes |
| Related Certifications: | Oracle Certified Master, Java EE 6 Enterprise Architect 1Z0-807 Java EE 6 Enterprise Architect Certified Master Exam 1Z0-865 Java Enterprise Architect Certified Master Assignment |
| Exam Price: | Varies by region; refer to Oracle official pricing |
| Exam Format: | Essay exam, Short-answer questions based on the submitted architecture assignment |
| Certificate Validity Period: | Oracle certification validity follows Oracle certification policy; no separate expiration period specified for this exam |
| Available Languages: | English |
| Exam Way: | Proctored essay examination delivered through Oracle/Pearson VUE testing services, based on the candidate's previously submitted architecture assignment. |
| Pre Condition: | Candidates must first pass 1Z0-807 and successfully complete and submit the 1Z0-865 Java Enterprise Architect Certified Master Assignment before taking 1Z0-866. Oracle requires the assignment and essay to be completed within the allowed assignment validity period (historically 6 months from assignment purchase). |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-866 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Quality Attributes | - Scalability, performance, and reliability - Security architecture considerations |
| Topic 2: Application Design Concepts | - Object-oriented analysis and design principles - Design patterns and best practices |
| Topic 3: Assignment Validation | - Answer questions verifying authorship and architectural intent - Demonstrate understanding of the submitted assignment |
| Topic 4: Enterprise Architecture | - Common enterprise architectures - Integration and messaging - Web-tier technologies - Business-tier technologies |
| Topic 5: Architecture Design Rationale | - Explain architectural decisions made in the assignment - Justify technology selections and trade-offs |
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