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Updated: Nov 07, 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 |
| Related Certifications: | Java EE 6 Enterprise Architect Certified Master (1Z0-807) Oracle Certified Master, Java EE 6 Enterprise Architect Java EE 6 Enterprise Architect Certified Master Assignment (1Z0-865) |
| Exam Price: | Approx $245 USD |
| Real Exam Qty: | 12-15 |
| Available Languages: | English |
| Certificate Validity Period: | Valid for life (no expiration) |
| Exam Format: | Essay / Open-ended questions, Scenario-based justification |
| Exam Duration: | 150 minutes |
| Passing Score: | 71% |
| Recommended Training: | Oracle Recommended Training |
| Exam Registration: | Oracle University Pearson VUE Registration |
| Exam Way: | Proctored onsite at Pearson VUE centers or online proctored |
| Pre Condition: | Must hold Java SE Programmer certification; must pass 1Z0-807 and complete 1Z0-865 assignment before taking 1Z0-866 |
| Official Syllabus URL: | https://education.oracle.com/certification/oracle-certified-master-java-ee-6-enterprise-architect/trackp_196 |
Oracle 1Z0-866 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security & Reliability | 20% | - Transaction management and fault tolerance - Application security design |
| Topic 2: Design Patterns & Best Practices | 20% | - Compliance with Java EE standards - Enterprise design patterns application |
| Topic 3: Java EE Technologies & Components | 25% | - Integration and communication patterns - EJB, JPA, JSF, JAX-RS/JAX-WS |
| Topic 4: Architecture Design & Trade-offs | 35% | - Technology selection rationale - Justification of architectural decisions - Trade-offs between performance, scalability, maintainability |
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