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Real RedHat EX283 practice exam questions for easy pass!
Updated: Sep 10, 2026
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RedHat EX283 Exam Overview:
| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Enterprise Microservices Developer exam |
| Exam Number: | EX283 |
| Related Certifications: | Red Hat Certified JBoss Developer (RHCJD) Red Hat Certified Enterprise Application Developer (RHCEAD) Red Hat Certified Architect (RHCA) |
| Real Exam Qty: | 15-20 performance-based tasks |
| Exam Duration: | 150 minutes |
| Available Languages: | English |
| Exam Price: | Approx. $400 USD (varies by region) |
| Exam Format: | Performance-based, Hands-on practical tasks, No multiple-choice questions |
| Certificate Validity Period: | 3 years |
| Passing Score: | 210 out of 300 |
| Recommended Training: | Red Hat Application Development II: Implementing Microservice Architectures (DO283) |
| Exam Registration: | Red Hat Certification Central |
| Exam Way: | Onsite at authorized Red Hat testing centers or online proctored remote exam |
| Pre Condition: | Hold RHCEAD (EX183) or RHCJD certification; solid Java EE background; familiarity with JBoss Developer Studio and OpenShift; recommended training: DO283 |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification/red-hat-certified-enterprise-microservices-developer |
RedHat EX283 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Fault Tolerance & Resilience | - Implement fault tolerance with @Retry, @Timeout, @Fallback - Separate business and execution logic |
| Topic 2: Deployment & Integration | - Deploy microservices to Red Hat OpenShift - Build and test microservices with Maven and JBoss tools |
| Topic 3: Microservices Architecture & Design | - Apply Eclipse MicroProfile specifications - Understand microservices architecture principles |
| Topic 4: MicroProfile Configuration | - Externalize configuration properties - Manage configuration sources and converters - Inject configuration values using @ConfigProperty |
| Topic 5: Health Checks & Observability | - Expose metrics via MicroProfile Metrics - Create and configure health checks - Monitor microservice runtime state |
| Topic 6: Security & Access Control | - Integrate OpenID Connect and JWT authentication - Secure endpoints using MicroProfile JWT RBAC |
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Online Test Engine can supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser. You can use it on any electronic device and practice with self-paced.
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