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n Given an architecture described in terms of network layout, lists benefits and
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n Distinguish appropriate from inappropriate techniques for providing access
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n Distinguish between stateful and stateless session beans. n Distinguish between session and entity beans. n Recognize appropriate uses for entity, stateful session, and stateless session beans. n State the benefits and costs of container-managed persistence. n State the transactional behavior in a given scenario for an enterprise bean
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method with a specified transactional deployment descriptor.
n Given a requirement specification detailing security and flexibility needs,
identify architectures that would fulfill those requirements.
n Identify costs and benefits of using an intermediate data-access object
between an entity bean and the data resource.
Enterprise JavaBeans Container Model
n State the benefits of bean pooling in an EJB container. n State the benefits of Passivation in an EJB container. n State the benefit of monitoring of resources in an EJB container. n Explain how the EJB container does life cycle management and has the
ability to increase scalability.
1: Sun Certification for the Enterprise Architect
Protocols
n Given a list of some of its features, identify a protocol that is one of the
following: HTTP (Hypertext Transfer Protocol), HTTPS, IIOP, or JRMP.
n Given a scenario description, distinguish appropriate from inappropriate
protocols to implement that scenario.
n Select common firewall features that might interfere with the normal
operation of a given protocol.
Applicability of JEE Technology
n Identify application aspects that are suited to implementation using JEE
technology.
n Identify application aspects that are suited to implementation using EJB
technology.
n Identify suitable JEE technologies for the implementation of specific application
aspects.
Design Patterns
n Identify the most appropriate design pattern for a given scenario. n Identify the benefits of using design patterns. n State the name of a Gamma et al. design pattern given the UML diagram
and/or a brief description of the pattern s functionality.
n Identify benefits of a specified Gamma et al. design pattern. n Identify the Gamma et al. design pattern associated with a specified JEE
technology feature.
Messaging
n Identify scenarios that are appropriate to implementation using messaging,
EJB technology, or both.
n List benefits of synchronous and asynchronous messaging. n Identify scenarios that are appropriate to implementation using messaging. n Identify scenarios that are more appropriate to implementation using
asynchronous messaging, rather than synchronous.
n Identify scenarios that are more appropriate to implementation using
synchronous messaging, rather than asynchronous.
Sun Certif ied Enterprise Architect Distinguishes the JAVA Professional
Internationalization
n State three aspects of any application that might need to be varied or
customized in different deployment locales.
n List three features of the Java programming language that can be used to
create an internationalizable/localizable application.
Security
n Identify security restrictions that Java 2 technology environments normally
impose on applets running in a browser.
n Given an architectural system specification, identify appropriate locations for
implementation of specified security features, and select suitable technologies for implementation of those features. The SCEA exam comprises three parts: a multiple-choice exam, an architecture and design project, and an essay exam. The exam is administered by Prometric, a leading worldwide provider of comprehensive technology-based testing and assessment services (see www.prometric.com). After you have successfully completed all three of the exam components, you will have earned the title of Sun Certified Enterprise Architect (SCEA) for the Java 2 Platform. The exam components and summary details are as follows:
n SCEA Part 1
Exam # (CX 310-051) is currently available at Prometric for $200 U.S. There are no prerequisites. The exam includes 48 multiple-choice, short answer, and drag-and-drop questions. Candidates have 75 minutes to take the exam, and the pass score is 68 percent. Exam # (CX 310-300A) is the architecture and design project, which must be completed via Sun s certification database. You must complete exam # (CX 310-051) before completing the project. There is no time limit, and the passing score is 70 percent, subject to the evaluation of the essay exam and validation of the authenticity of the assignment. The current cost is $250 U.S. Exam # (CX 310-061), an essay exam, can be completed at Prometric testing centers for a current cost of $200 U.S. To take this exam, you must have passed Parts 2 and 3. You have 90 minutes to complete four essay questions.
n SCEA Part 2
n SCEA Part 3
1: Sun Certification for the Enterprise Architect
For detailed information on these exams, refer to the Certi cation Success Guide at www.sun.com/training/ certi cation/java/scea.xml.
In addition to reading this book, you can prepare for the SCEA exam in other ways. Because of the complexity of the examination (especially Parts 2 and 3) and based upon your individual background, we recommend studying the information in a combination of books that provide detailed information covering the entire list of objectives:
n Sun Certified Enterprise Architect for J2EE Technology Study Guide, by Mark
Cade and Simon Roberts (Prentice Hall PTR, 2002)
n J2EE Unleashed, by Joseph J. Bambara, Paul Allen, et al. (SAMS, 2002) n Mastering Enterprise JavaBeans, by Ed Roman (John Wiley & Sons, 2001) n Design Patterns, by Erich Gamma, et al. (Addison-Wesley, 1995) n UML Distilled, by Martin Fowler (Addison-Wesley, 1999) n Becoming familiar with an application server is an integral part of the
preparation for the SCEA. You can use any application server, providing it is compliant with the JEE 1.2 specification. Note that when completing parts 2 and 3 of the exam, you can use concepts and UML tools that are more current that JEE 1.2. Many quality tutorials and articles on various JEE technologies are also available. Here are a couple of them that cover the objectives of the SCEA exam:
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