Online Access Free 1Z0-807 Exam Questions

Which two statements are true about Java integration technologies?

• A.JMS helps to broadcast messages to multiple Java-based receivers.
• B.Java Connector Architecture (JCA) helps to integrate with heterogeneous legacy enterprise information systems.
• C.Remote Method Invocation (RMI) helps to connect subsystems in a loosely coupled manner.
• D.Java Message Service (JMS) helps in synchronous messaging between Java and non-Java systems.

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

• A.An application that utilizes fine-grained interfaces to provide communication to the object of a service
• B.An application with tightly coupled services that enable messages to flow easily
• C.An application in which thecommunication between servicesand the business process areplatform independent.

You are the architect for XYZ bank. XYZ is redesigning their online banking offering and you need to ensure that the new design follows security best practices for the JEE platform.
Select three security best practices for JEE applications.

• A.Use both programmatic and declarative security.
• B.Encrypt data, both on the wire and at rest.
• C.Schedule regular penetration testing.
• D.Implement an exception-handling strategy.
• E.Log all security related application events.
• F.Treat users as untrusted even when authenticated.

Which three web applications work best when they are designed to be server-push enabled?

• A.An auction system that provides users with live online bidding
• B.A live sporting event application, used to deliver current results during matches
• C.A web chat that allows users to communicate using easily accessible web interfaces
• D.A graphics rendering application that generates visuals in an orderly fashion

A company must honor a service-level agreement (SLA) for its application, which states all database requests must execute within three seconds.
Users complain that some requests take longer than five seconds to complete. You have been contracted to fix the problem.
Which course of action do you recommend?

• A.Upgrade the application server and the operating system.
• B.Add servers to distribute the load.
• C.Define a plan for isolating the bottleneck, and define indicators that will measure performance under a test load.
• D.Modify the program to implement multi threading and an event-driven design.