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SCEA 5.0 Beta Exam Objectives - Assignment

Section 1: Application Design Concepts and Principles

  • 1.1 Document a given system architecture by creating UML diagrams for it.
  • 1.2 Explain the main advantages of an object oriented approach to system design including the effect of encapsulation, inheritance, delegation, and the use of interfaces, on architectural characteristics.
  • 1.3 Describe how the principle of "separation of concerns" has been applied to the main system tiers of a Java EE application. Tiers include client (both GUI and web), web (web container), business (EJB container), integration, and resource tiers.
  • 1.4 Describe how the principle of "separation of concerns" has been applied to the layers of a Java EE application. Layers include application, virtual platform (component APIs), application infrastructure (containers), enterprise services (operating system and virtualization), compute and storage, and the networking infrastructure layers.

Section 2:Common Architectures

  • 2.1 Explain the advantages and disadvantages of two tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security.
  • 2.2 Explain the advantages and disadvantages of three tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security.
  • 2.3 Explain the advantages and disadvantages of multi-tier architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security.
  • 2.4 Explain the benefits and drawbacks of rich clients and browser-based clients as deployed in a typical Java EE application.
  • 2.5 Create a logical and physical model of a system infrastructure architecture.

Section 3: Integration and Messaging

  • 3.1 Explain possible approaches for communicating with an external system from a Java EE-based system given an outline description of those systems and outline the benefits and drawbacks of each approach.
  • 3.2 Explain typical uses of Web Services and XML over HTTP as mechanisms to integrate distinct software components.
  • 3.3 Explain how Java Connector Architecture and JMS are used to integrate distinct software components as part of an overall Java EE application.
  • 3.4 Given a scenario, explain the appropriate messaging strategy to satisfy the requirements.

Section 4: Business Tier Technologies

  • 4.1 Explain and contrast uses for Entity Beans, Entity Classes, Stateful and Stateless Session Beans, and Message Driven Beans and understand the advantages and disadvantages of each type.
  • 4.2 Explain and contrast the following persistence strategies: Container Managed Persistence (CMP) BMP, JDO, JPA, ORM and using DAOs (Data Access Objects) and direct JDBC-based persistence under the following headings: ease of development, performance, scalability, extensibility and security.

Section 5: Web Tier Technologies

  • 5.1 Given a system requirements definition, explain and justify your rationale for choosing a web-centric or EJB-centric implementation to solve the requirements. Web-centric means that you are providing a solution that does not use EJBs. EJB-centric solution will require an application server that supports EJBs.

Section 6: Applicability of Java EE Technology

  • 6.1 Given a specified business problem, design a modular solution implemented using Java EE which solves that business problem.
  • 6.2 Given a specified business problem, identify and prioritize the main technology risk areas that must be addressed by the technical design and architecture.
  • 6.3 Explain how the Java EE platform enables service oriented architecture (SOA) -based applications.
  • 6.4 Identify how the Java SE and Java EE platform supports the internationalization and localization of applications.
  • 6.5 Explain your rationale for choosing build versus buy for a given Java EE component.
  • 6.6 Explain the typical challenges associated with the design and implementation of large scale enterprise software systems and how Java EE technology addresses those challenges.
  • 6.7 Explain how you would design a Java EE application to repeatedly measure critical non-functional requirements and outline a standard process with specific strategies to refactor that application to improve on the results of the measurements.

Section 7: Patterns

  • 7.1 From a list, select the most appropriate pattern for a given scenario. Patterns are limited to those documented in the book - Alur, Crupi and Malks (2003). Core J2EE Patterns: Best Practices and Design Strategies 2nd Edition and named using the names given in that book.
  • 7.2 From a list, select the most appropriate pattern for a given scenario. Patterns are limited to those documented in the book - Gamma, Erich; Richard Helm, Ralph Johnson, and John Vlissides. (1995). Design Patterns: Elements of Reusable Object-Oriented Software and are named using the names given in that book.
  • 7.3 Select from a list the benefits and drawbacks of a pattern drawn from the book - Gamma, Erich; Richard Helm, Ralph Johnson, and John Vlissides (1995). Design Patterns: Elements of Reusable Object-Oriented Software.
  • 7.4 Select from a list the benefits and drawbacks of a specified Core J2EE pattern drawn from the book - Alur, Crupi and Malks (2003). Core J2EE Patterns: Best Practices and Design Strategies 2nd Edition.

Section 8: Security

  • 8.1 Given an architectural system specification, select appropriate locations for implementation of specified security features, and select suitable technologies for implementation of those features.
  • 8.2 Identify and classify potential threats to a system and describe how a given architecture will address the threats.

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