Red Hat Certified Enterprise Microservices Developer Exam (EX283)

Kód kurzu: EX283

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The Red Hat Certified Enterprise Microservices Developer (EX283) exam tests your skills and knowledge to develop reliable, performant JEE applications in a microservices-style environment. The exam focuses on using the Microprofile APIs to develop microservices enterprise Java applications.

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Počiatočný dátum: Individuálny

Forma: Skúška

Dĺžka kurzu: 3 hodiny

Jazyk: en

Cena bez DPH: 425 EUR

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The Red Hat Certified Enterprise Microservices Developer (EX283) exam tests your skills and knowledge to develop reliable, performant JEE applications in a microservices-style environment. The exam focuses on using the Microprofile APIs to develop microservices enterprise Java applications.

By passing this exam, you become a Red Hat Certified Enterprise Microservices Developer, which also counts toward becoming a Red Hat® Certified Architect (RHCA®).

This exam is based on Eclipse MicroProfile 1.3.

Cieľová skupina

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JEE developers who wish to demonstrate their skills and abilities using Java to develop advanced, microservices-oriented enterprise applications.

Štruktúra kurzu

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You should be able to accomplish the tasks below without assistance. While explicitly addressing Microprofile and microservices, the skills and abilities demonstrated in this exam are also applicable to a wide range of advanced enterprise Java developments:

  • Provide and obtain configuration properties through several environment-aware sources both internal and external to the application and made available through dependency injection or lookup using Configuration for Microprofile
    • Externalize data into configured values
    • Inject configured values into beans using the @Inject and the @ConfigProperty qualifier
    • Access or create a certain configuration
    • Understand default and custom ConfigSource and ConfigSource ordering
    • Understand and implement converters
  • Separate execution logic from business logic using Microprofile Fault Tolerance
    • Understand the relationship to MicroProfile Config
    • Understand async vs. sync execution type and know the default
    • Use @Timeout
    • Understand retry policies and apply using @Retry
    • Understand and define fallback
    • Understand and apply CircuitBreaker and Bulkhead
    • Understand and set up fault tolerance configuration
  • Probe the state of a computing node from another machine using MicroProfile Health Check
    • Understand and implement the Health Check interface and Health Check Response
    • Construct human-friendly Health Check Response
    • Understand protocol and wireformat
  • Export monitoring data to management agents using Microprofile Metrics
    • Understand difference with Health Check
    • Understand and use three sets of sub-resource (scopes): base, vendor, and application
    • Understand tags (labels), metric registry, and @Metric
    • Understand metadata and why it is best practice
    • Expose metrics via REST API
    • Know required metrics
    • Understand application metrics programming model
  • MicroProfile Interoperable JWT RBAC: OpenID Connect (OIDC)–based JSON Web Tokens (JWTs) for role-based access control (RBAC) of microservice endpoints
    • Understand security tokens in RESTful services and token-based authentication
    • Use JWT bearer tokens to protect services
    • Mark a JAX-RS application as requiring MP-JWT access control
    • Map MP-JWT tokens to Java EE Container APIs

As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.

Predpokladané znalosti

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  • Attend Red Hat Application Development II: Implementing Microservice Architectures (JB283)
  • Pass Red Hat Certified Enterprise Application Developer Exam (EX183) or have equivalent industry JEE experience
  • Be familiar with using Red Hat® JBoss® Developer Studio in a Red Hat® Enterprise Linux environment
  • Have a solid background with JEE, including a knowledge and understanding of the core Java concepts and APIs. For example, exceptions, annotations, and the collections API are all required during the exam
  • Some familiarity with Openshift is beneficial

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