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By Mark Cade, Humphrey Sheil
Definitive, entire SCEA examination Prep–Straight from Sun’s examination Developers!
This ebook offers whole, centred evaluate for Sun’s new solar qualified company Architect (SCEA) for Java EE certification exam–straight from of the exam’s creators! SCEA lead developer/assessor Mark Cade and SCEA lead developer/assessor Humphrey Sheil provide strong insights, real-world architectural case experiences, and hard pattern questions that systematically arrange you for the particular examination. for each query, the authors express why the suitable solutions are right–and why the opposite solutions are mistaken. Cade and Sheil disguise each SCEA examination subject, ability, and process, including:
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Understanding procedure structure and its goals
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Decomposing greater structures into elements geared up through degrees or layers
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Addressing standards for scalability, maintainability, reliability, availability, extensibility, functionality, and security
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Building potent internet (presentation) stages, and examining tradeoffs linked to utilizing net frameworks
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Leveraging EJB 3’s improvements for enterprise tier development
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Covering new improvements within the JEE five platform
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Choosing and architecting the easiest integration and messaging elements to your system
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Using the Java defense version to implement confidentiality, integrity, authorization, authentication, and non-repudiation
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Using the main strong and worthy Java EE structure patterns
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Documenting Java EE architectures via visible versions and narratives
The authors additionally current precise suggestions for dealing with each component to the SCEA exam–including your improvement and safety of a whole real-world architectural solution.
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Additional info for Sun Certified Enterprise Architect for Java EE study guide
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Messaging requirements—Need to integrate with an asynchronous messaging system—Again, if present, a clear reason to select message-driven beans (MDBs); that is, the EJB-centric approach. Performance. Ease of development. Scalability. Existing team skills or existing project implementation. The last four facets listed are not reasons in themselves that will conclusively force you to choose one approach over the other; indeed, the waters have been muddied in recent JEE releases for each. 1) is improving the ease of development.
JSF—Standard Uses The standard uses for JSF are the same as for JSP. As an architect, you are faced with a choice: either continue to use JSP with JSTL and a good MVC framework, or use JSF. They do the same thing. Also, they are not mutually exclusive. It is perfectly possible to add tags to a JSP page that represent a specific JSF UI component, resulting in a hybrid solution. 0 implementations of specifications in the JEE platform), but it has matured since then. Many architects, however, simply see no need for it and prefer JSP with JSTL and EL.
If you are a JSP-centric architect, beef up on JSF because you need to know it. Review Your Progress ■ ■ 47 The exam tests your understanding of the best UI technologies to use in the JEE platform by presenting a series of scenarios. The description of the scenario provides all the information you need to select the correct technology/combination of technologies to use from the multiple choice answers provided. In the real world, there are no official “Sun recommended” blueprint patterns—only guidelines and recommendations.