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Download SCEA 310-051 Free Exam Simulator

 
SCEA Practice 310-051 Exam Simulator The Sun Certified Enterprise Architect for J2EE Technology (Step 1 of 3) certification exam is for enterprise architects responsible for architecting and designing Java 2 Platform, Enterprise Edition (J2EE) compliant applications, which are scalable, flexible and highly secure.


The Sun Certified Enterprise Architect for J2EE Technology (Step 1 of 3) certification exam 310-051 is for enterprise architects responsible for architecting and designing Java 2 Platform, Enterprise Edition (J2EE) compliant applications, which are scalable, flexible and highly secure.


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Installation Instructions


Questions and Issuues

Details
  • Delivered at: Authorized Prometric testing centers
  • Prerequisites: None
  • Other exams/assignments required for this certification: Step 2 (CX-310-300A), Step 3 (CX-310-061)
  • Exam type: Multiple choice, short answer, and drag and drop
  • Number of questions: 48
  • Pass score: 68%
  • Time limit: 75 minutes
       
    Exam Objectives
    Section 1: Concepts
    • Draw UML Diagrams
    • Interpret UML diagrams.
    • State the effect of encapsulation, inheritance, and use of interfaces on architectural characteristics.

    Section 2: Common Architectures


    • Recognize the effect on each of the following characteristics of two tier, three tier and multi-tier architectures: scalability maintainability, reliability, availability, extensibility, performance, manageability, and security.
    • Recognize the effect of each of the following characteristics on J2EE technology: scalability maintainability, reliability, availability, extensibility, performance, manageability, and security.
    • Given an architecture described in terms of network layout, list benefits and potential weaknesses associated with it.

    Section 3: Legacy Connectivity


    • Distinguish appropriate from inappropriate techniques for providing access to a legacy system from Java code given an outline description of that legacy system

    Section 4: Enterprise JavaBeans Technology


    • List the required classes/interfaces that must be provided for an EJB technology.
    • Distinguish stateful and stateless Session beans.
    • Distinguish Session and Entity beans.
    • Recognize appropriate uses for Entity, Stateful Session, and Stateless Session beans.
    • State benefits and costs of Container Managed Persistence.
    • State the transactional behavior in a given scenario for an enterprise bean method with a specified transactional deployment descriptor.
    • Given a requirement specification detailing security and flexibility needs, identify architectures that would fulfill those requirements.
    • Identify costs and benefits of using an intermediate data-access object between an entity bean and the data resource.

    Section 5: Enterprise JavaBeans Container Model


    • State the benefits of bean pooling in an EJB container.
    • State the benefits of Passivation in an EJB container.
    • State the benefit of monitoring of resources in an EJB container.
    • Explain how the EJB container does lifecycle management and has the capability to increase scalability.

    Section 6: Protocols


    • Given a scenario description, distinguish appropriate from inappropriate protocols to implement that scenario.
    • Identify a protocol, given a list of some of its features, where the protocol is one of the following: HTTP, HTTPS, IIOP, JRMP.
    • Select from a list, common firewall features that might interfere with the normal operation of a given protocol.

    Section 7: Applicability of J2EE Technology


    • Select from a list those application aspects that are suited to implementation using J2EE.
    • Select from a list those application aspects that are suited to implementation using EJB.
    • Identify suitable J2EE technologies for the implementation of specified application aspects.

    Section 8: Design Patterns


    • From a list, select the most appropriate design pattern for a given scenario. Patterns will be limited to those documented in Gamma et al. and named using the names given in that book.
    • State the benefits of using design patterns.
    • State the name of a design pattern (for example, Gamma) given the UML diagram and/or a brief description of the pattern's functionality.
    • Select from a list benefits of a specified design pattern (for example, Gamma).
    • Identify the design pattern associated with a specified J2EE feature

    Section 9: Messaging


    • Identify scenarios that are appropriate to implementation using messaging, EJB, or both.
    • List benefits of synchronous and asynchronous messaging.
    • Select scenarios from a list that are appropriate to implementation using synchronous and asynchronous messaging.

    Section 10: Internationalization


    • State three aspects of any application that might need to be varied or customized in different deployment locales.
    • Match the following features of the Java 2 platform with descriptions of their functionality, purpose or typical uses: Properties, Locale, ResourceBundle, Unicode, java.text package, InputStreamReader and OutputStreamWriter.

    Section 11: Security


    • Select from a list security restrictions that Java 2 environments normally impose on applets running in a browser.
    • Given an architectural system specification, identify appropriate locations for implementation of specified security features, and select suitable technologies for implementation of those features.

    Details


    • Delivered at: Authorized Prometric testing centers
    • Prerequisites: None
    • Other exams/assignments required for this certification: Step 2 (CX-310-300A), Step 3 (CX-310-061)
    • Exam type: Multiple choice, short answer, and drag and drop
    • Number of questions: 48
    • Pass score: 68%
    • Time limit: 75 minutes

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