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Oracle > 1Z0-807 Exam Q/A and Practice Software



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Oracle 1Z0-807

Java Enterprise Edition 6 Enterprise Architect Certified Master (Step 1 of 3)

Questions and Answers : 90
Q&A Update On : December 15, 2017
File Format : PDF
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Exam Simulator


Oracle 1Z0-807

Java Enterprise Edition 6 Enterprise Architect Certified Master (Step 1 of 3)

Exam Simulator Q&A : 90
Q&A Update On : December 15, 2017
File Format : Installable Setup (.EXE)
Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
Mac Compatibility : Through Wine, Virtual Computer, Dual Boot
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    Oracle 1Z0-807 (Java Enterprise Edition 6 Enterprise Architect Certified Master (Step 1 of 3))

    Questions and Answers : 90
    Q&A Update On : December 15, 2017
    File Format : PDF
    Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
    Mac Compatibility : All Versions including iOS 4/5/6/7
    Android : All Android Versions
    Linux : All Linux Versions
    Download 1Z0-807 Sample Questions

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  • Exam Simulator Software

    Oracle 1Z0-807 (Java Enterprise Edition 6 Enterprise Architect Certified Master (Step 1 of 3))

    Exam Simulator Q&A : 90
    Q&A Update On : December 15, 2017
    File Format : Installable Setup (.EXE)
    Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
    Mac Compatibility : Through Wine, Virtual Computer, Dual Boot
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1Z0-807 Questions and Answers

1Z0-807


Stock Teller is a Java-based application designed to retrieve the current market for a portfolio of publicly listed stocks. You have been tasked to design a bolt on module for Stock Teller called EBroker, a Java E-based online application that needs to asynchronously communicate with StockTeller to retrieve market prices for securities in a secure manner. Which web service technology would you choose to integrate Stock Teller into the EBroker application?


  1. JAX-WS using HTTP

  2. JAX-WS using HTTPS

  3. JAX-RPC using HTTP

  4. JAX-RS using HTTPS


Answer: B


QUESTION: 84

While analyzing an application, you observe that it contains numerous Interfaces for complex domain logic. Completing a business Function currently requires calling several of these interfaces in an order that is understood by system experts. Which design pattern would you suggest to refactor the code?


  1. Façade

  2. MVC

  3. DAO

  4. Adapter

  5. Decorator


Answer: A


QUESTION: 85

During a security audit, it is noted that your application is vulnerable to SQL Injection attacks. Which two action would you perform to address this vulnerability?


  1. Use parameterized stored procedures with the embedded parameters.

  2. Add a text input validation filter to check user-supplied data.

  3. Configure user permissions in the deployment descriptor.

  4. Configure security roles in the deployment descriptor.

  5. Deploy the Internet facing nodes in a well defined demilitarized zone (DMZ) layer.

  6. Use parameterized stored procedures with the principle of least privilege.


Answer: A, B


QUESTION: 86

ABC Travel offers a night reservation service, exposed as a web service. XYZ Stays offers a hotel reservation service, also exposed as a web service. ABC and XYZ will not change their web service. A startup company has contacted you for advice about designing a new service that combines flight and hotel reservations, which they will offer as a web service. The startup company plans to provide their service by implementing a portable Java EE solution that aggregates the two services offered by ABC Travel and XYZ Stays, a combined reservation succeeded. Only if both the flight reservation and the hotel reservation succeed Which is the most effective way to meet the business requirement?


  1. The startup company should implement their new service as a web service that uses an XA transaction manager.

  2. The startup company cannot implement their new service as a web service, but

    must use an enterprise JavaBean (EJB) component to gain transaction propagation.

  3. The startup company should implement their new service as a web service by calling the two existing services, and implementing their own compensating transaction.

  4. The startup company can implement their new service as a web service by calling

the two existing services in a single transaction, relying on transaction propagation to support this business rule.


Answer: C


QUESTION: 87

You are designing a bank application in which automated email reminders are sent to customers every 24 hours, starting from five days prior to a payment due date until the payment is made? Which type of beans most closely match the implementation needs for this requirement?


  1. Stateful session bean

  2. Stateless session bean

  3. Managed bean

  4. Message-driven bean


Answer: D


You are integrating with a single legacy Enterprise Information System. You are interested in the transaction management capabilities of Java Connector Architecture. This new system needs the capability to invoke multiple operations against this single legacy system. these operations succeeded together or fail together as a group.

To which minimum level of transaction management do you set your resource adapter?


  1. No transaction

  2. Local transaction

  3. Distributed transaction

  4. Container-managed transaction


Answer: B


QUESTION: 89

Your company is creating a Java EE corporate wide workflow system in winch significant internal business events are consumed by multiple applications. Due to multi-year development plans, many of these applications do not exist yet, even at the design stage. IT has defined standard data formats for these events in the form of small XML documents. Also, the rules for how an application filters and processes events are not fixed In advance and can change over the life or the application. Which combination of technologies is best for distributing and consuming these events throughout the company?


  1. Relational database and JDBC

  2. HTTP client library and servlets

  3. Remote Method Invocation (RMI) and stateless session beans

  4. Java Message Service (JMS) topics and message-driven beans

  5. JMS queues and message-driven beans


Answer: D


QUESTION: 90

YourDocs is an application that retrieves PDF documents of selected topics from both trusted and untrusted websites. It has been developed using a non-Java technology. You are designing your Mlearn, a mobile-based e-learning application, which will be implemented in Java. You plan to integrate YourDocs with your application.

Which web service technology would you choose to Integrate YourDocs into the YourMLearn application?


  1. JAX-WS

  2. JAX-WS with REST

  3. JAX-RPC

  4. JAX-RS


Answer: D

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