Free Oracle 1Z0-807 Exam Dumps Questions & Answers

You are the architect of a web application that uses javaServer Faces (JSF) as a presentation tier;
and for business processes coded as stateless session beans. When you add new code to the stateless session beans to address new accounting requirements, without changing the interface, you discover that the new business processes are being ignored by some of the JSF components.
What might be the cause of this problem?

• A.The business processes are not rigorously encapsulated in the session beans.
• B.The browser is caching out-of-date versions of the JSF components.
• C.The presentation tier is relying on validation logic in the business tier.
• D.The new session beans have been deployed incorrectly, and proper deployment will resolve the problem.

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?

• A.AWT
• B.Swing
• C.JPA
• D.CMP
• E.JDBC

You are the lead technical designer for a new B2C retail application. A key goal is to minimize design and build complexity in order to maximize speed to market.
Which three features of JPA make it the most appropriate technology to use in building the persistence layer of the application?

• A.JPA provides transparent scalability
• B.JPA provides ACID semantics
• C.JPA ensures thread safe semantics
• D.JPA provides vendor-neutral database access
• E.JPA ensures optimal database access logic
• F.JPA does not require an EJB container

An investment company has purchased a number of small online business referral systems that appeal to various niche demographics. The company wants to bring these networks together in hopes of finding a broad, single theme and brand image for these groups before they can do that, they need to get the users communicating with outside their current networks.
Which Web Services pattern would you recommend they consider in building a scheme to accommodate this communication?

• A.JMS Bridge
• B.Asynchronous Interactions
• C.Web Services Broker
• D.PAOS Interactions

You are the architect at ACME, a large global retailer of festival and holiday accessories. ACME wants to launch a new shopping portal for the holiday shopping session, allowing two months from project inception to going live. The portal must contain in-house and third-party stock to attack customers.
Fast response times are also critical so users remain engaged and sticky to the portal.
What would you recommend to the ACME project team to deliver this project?

• A.Access all third party content using JSON to dynamically load it from the browser.
• B.Access as much content with bulk-loading as possible; use JSONP to access the remainder.
• C.Access all content regardless of source using the HTML 5 XML parsing capabilities of the browser