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1z0-807 Java EE 6 Enterprise Architect Certified Master Exam Questions and Answers

Questions 4

Which two kinds of applications benefit from the adoption of service oriented architecture (SOA) inspired patterns and practices?

Options:

A.

An application with tightly coupled services that enable messages to flow easily

B.

An application that utilizes fine-grained interfaces to provide communication to the object of a service

C.

D. An application in which thecommunication between servicesand the business process areplatform independent.

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Questions 5

Which two statements are true about Java integration technologies?

Options:

A.

Remote Method Invocation (RMI) helps to connect subsystems in a loosely coupled manner.

B.

Java Message Service (JMS) helps in synchronous messaging between Java and non-Java systems.

C.

C. JMS helps to broadcast messages to multiple Java-based receivers.

D.

D. Java Connector Architecture (JCA) helps to integrate with heterogeneous legacy enterprise information systems.

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Questions 6

Which two features are supported by the Java Authentication and Authorization Service (JAAS) API?

Options:

A.

Secure network connections

B.

C. Configurable access control policies

C.

Web services security

D.

Message encryption and key generation

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Questions 7

Which three actions restrict the ability of a web application to scale in response to load

as additional computing resources are made available to it?

Options:

A.

B.Implementing corebusinesslogic in the web tier

B.

Implementing core business logic using stateless session beans

C.

Storing users' session state in a database

D.

E.Maintaining users' session state by usingstatefulsession beans

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Questions 8

A company has been soiling a desktop based billing application that has Character User Interface (CUI) application developed by using Java. The company would like to release the next version of this application with the following features: a GUI with a pluggable look- and-feel capability and the flexibility to support multiple database vendors.

Which two technologies would you use in the new version?

Options:

A.

Swing

B.

JDBC

C.

JPA

D.

CMP

E.

AWT

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Questions 9

You have been recruited by an online retailer of footwear to conduct a review of their online systems. Your primary Finding is that the development team has implemented duplicated complex business logic as Java scripts directly into the JSPs, causing performance, scalability, and maintainability issues.

Which two design patterns would you select to improve the current code base?

Options:

A.

View Helper

B.

B. From Controller

C.

Composite View

D.

D. Service-to-Worker

E.

Business Delegate

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Questions 10

Which two statements are true about transport-layer security?

Options:

A.

It is loosely coupled with the transport-layer protocol.

B.

It is an end-to-end security mechanism.

C.

D. It prevents the captured data from being replayed at a later time.

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Questions 11

A company that sells avatar skins to virtual reality environments has a static website for advertising their wares. The website was built using What You See Is What You Get (WYSIWYG) html editor and also contains a lot of JavaScript. The company now wants to add server side processing capabilities developing a shopping application, the company is considering using JavaServer Faces (JSF)

Which statement is true?

Options:

A.

The JavaScriptcode has to be rewritten to conform to JSF standards.

B.

JSF tags cannot be integrated into the HTML generated by WYSIWYG editors.

C.

The web pages cannot be previewed accurately with a genericWYSIWYG HIML editor.

D.

The web pages must be converted into Face lets.

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Questions 12

Your CMC wants to move several web based search applications to an AJAX model, hoping to improve user engagement with a browser experience that feels smaller and more responsive.

Which identifies a drawback to consider when adopting an AJAX model to improve user experience?

Options:

A.

Maintaining current performance could require more hardware.

B.

Maintaining accessibility across clients may require more development.

C.

Maintaining securitywithin the page could be more difficult.

D.

Maintaining page navigability for users would have to be re-evaluated.

E.

Maintaining a scalable system could require redesigning applications.

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Questions 13

Your application produces messages by client applications. The number of clients interested in the messages varies continuously at run time. Any client can process any message, but a message must be processed exactly once.

How should the messages be delivered to the clients?

Options:

A.

Using a Java Message Service (JMS) topic

B.

Using a Java Message Service (JMS)queue

C.

Using XML over HTTP

D.

Using a Simple Object Access Protocol (SOAP) web service

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Exam Code: 1z0-807
Exam Name: Java EE 6 Enterprise Architect Certified Master Exam
Last Update: Apr 14, 2023
Questions: 89