Free Oracle 1Z0-807 Exam Dumps Questions & Answers


Exam Code/Number:	1Z0-807Join the discussion
Exam Name:	Java EE 6 Enterprise Architect Certified Master
Certification:	Oracle
Free Question Number:	90
Publish Date:	Aug 08, 2026
# of views:	4659
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Total 90 questions

Question 1

Which two statements are true about RESTful web services?

A.They support the use ofAJAXin web applications.
B.They can be both stateful and stateless.
C.They support Remote Procedure Call (RPC) and message-Oriented Middleware (MOM) integration styles.
D.They are independent of the transport protocol.
E.They are oftensimilarthan their Simple Object Access protocol (SOAP) equivalents.

Question 2

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

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

Question 3

While analyzing an existing web application, you observe the following issues in the source code:
-Duplicatecontrol code is scattered throughout various view. -Businessand presentationlogicare mixed within these view.
The next phase of the project involves refactoring the existing code to address these two issues.
Which design pattern, if employed in the refactoring exercise, would most directly address the two issues?

A.DAO
B.Dispatcher view
C.Service to Worker
D.Composite View

Question 4

Your company has been using the ACME database vendor for many years. Recently, it started considering a migration to the XYZ database vendor, who uses different SQL dialect. The SQL engines in ACME and XYZ have significant differences in performance when executing the same SQL queries?
Which is the best persistence technology for database migration?

A.CMP entity bean
B.JDBC row set XML serialization
C.JPA
D.JDBC

Question 5

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?

A.Using a Java Message Service (JMS)queue
B.Using a Java Message Service (JMS) topic
C.Using XML over HTTP
D.Using a Simple Object Access Protocol (SOAP) web service