For Oracle 1Z0-864 Test Questions and Answers Please Visit: https://www.PassEasily.com/1Z0-864.htm
Exam Section 1 – Application Design Concepts and Principles Questions (Test Coverage 20%)
Exam Section 2 – Common Test Architectures Questions (Test Coverage 14%)
Exam Section 3 – Integration and Messaging Questions (Test Coverage 42%)
Exam Section 4 – Business Test Tier Technologies Questions (Test Coverage 24%)
(Exam Time) : 120 minutes
(Number of Test Questions): 64
(1Z0-864 Passing Score): 57%
1. Application Design Concepts and Principles
•Explain the main advantages of an test object-oriented approach to system design including the effect of encapsulation, inheritance, and use exam of interfaces on architectural characteristics.
•Describe how the principle of "separation questions of concerns" has been applied to the main system tiers of a Java Platform, Enterprise Edition application. Tiers test include client (both GUI and web), web (web container), business (EJB container), integration, and resource tiers exam for 1Z0-864.
•Describe how the principle of "separation of concerns" has been questions applied to the layers of a Java EE application. Layers include application, virtual platform test (component APIs), application infrastructure (containers), enterprise services (operating system and virtualization) exam, compute and storage, and the networking infrastructure layer questions.
2. Common Architectures
•Explain the advantages and disadvantages test of two-tier architectures when examined under the following topics: scalability, maintainability, reliability, availability exam, extensibility, performance, manageability, and security.
•Explain the advantages and disadvantages of three-tier questions architectures when examined under the following topics: scalability, maintainability, reliability, availability, extensibility, performance, manageability, and security for 1Z0-864 test
•Explain the advantages exam and disadvantages of multi-tier architectures when examined under the following topics: scalability, maintainability questions, reliability, availability, extensibility, performance, manageability, and security.
•Explain the benefits and drawbacks of rich test clients and browser-based clients as deployed in a typical Java EE application exam.
•Explain appropriate questions and inappropriate uses for web services in the Java EE platform for 1Z0-864
3. Integration and Messaging
•Explain possible approaches test for communicating with an external system from a Java EE technology-based system given an outline description exam of those systems and outline the benefits and drawbacks of each approach.
•Explain typical uses of web services and questions XML over HTTP as mechanisms to integrate distinct software components for 1Z0-864.
•Explain how JCA and JMS are used to integrate test distinct software components as part of an overall Java EE application.
4. Business Tier Technologies
•Explain and contrast uses for entity beans, entity exam classes, stateful and stateless session beans, and message-driven beans, and understand the advantages and questions disadvantages of each type.
•Explain and contrast the following persistence strategies: test container-managed persistence (CMP) BMP, JDO, JPA, ORM and using DAOs (Data Access Objects) and direct exam JDBC technology-based persistence under the following headings: ease of development, performance, scalability, questions extensibility, and security for 1Z0-864.
•Explain how Java EE supports the deployment of server-side components test implemented as web services and the advantages and disadvantages of adopting such an exam approach.
•Explain the benefits of the EJB 3 development model questions over previous EJB generations for ease of development including how the EJB test container simplifies EJB development.