최신 1Z0-807 무료덤프 - Oracle Java EE 6 Enterprise Architect Certified Master

문제1

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?

A. Stateless session bean

B. Stateful session bean

C. Message-driven bean

D. Managed bean

정답: C

문제2

Which three actions represent best practices when implementing an exception handling strategy for an application?

A. Always throw exceptions in methods that are designed for exception handling.

B. Always log the specific exception before re-throwing a wrapped exception.

C. Always include information specific to the error when logging an exception.

D. Create a customuncheckedexception if the action to resolve the exception cannot be defined.

정답: B,D

문제3

You have been tasked with improving the availability of an existing three tier application.
What is your first stop in evaluating what changes should be made to the architecture to achieve the goal?

A. Cluster the presentation tier without session replication.

B. Separate presentation from business logic.

C. Identify and document all single points of failure.

D. Monitor network traffic between tiers.

정답: C

문제4

Which four services are guaranteed to be present in a specification compliant Java EE container?

A. D.Remote connectivity

B. Load balancing

C. B.Persistence

D. Naming and messaging

E. Failover

F. F.Lifecycle management

G. Multithreading handling

정답: C,D,E,G

설명: (DumpTOP 회원만 볼 수 있음)

문제5

Your company is considering migrating a persistence module, originally implemented as CMP entity beans, to now use JPA.
Which two statements are true?

A. Remote clients of the CMP entity beans must start using web services to access the JPA entity classes on the server.

B. The resulting JPA persistence module can be used on both the client and the server.

C. JPA cannot capture all the relationships supported by CMP entity beans.

D. The JNDI name of a JPA entity class can be customized to match that of the corresponding CMP entity bean.

E. The client code that accesses the CMP entity beans does not have to change.

정답: D,E

문제6

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?

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

B. Configure security roles in the deployment descriptor.

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

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

E. Configure user permissions in the deployment descriptor.

정답: C,E

문제7

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 ACID semantics

B. JPA does not require an EJB container

C. JPA provides vendor-neutral database access

D. JPA provides transparent scalability

E. JPA ensures optimal database access logic

F. JPA ensures thread safe semantics

정답: A,B,C

문제8

Which two measures are most effective in protecting websites from cross site scripting (XSS) attacks?

A. Execute all user-supplied scripts in aserver-side sandbox.

B. Ensure that thesession cookie is sent only onHTTPSconnections.

C. URL-encode "<" and ">"parameters so they will never be evaluated by the JavaScript Interpreter.

D. Treat all user-supplied input as unsafe, and white list known good characters

E. Escape "<" and ">" parameters that displayed or evaluated by the JavaScript interpreter.

정답: A,B

문제9

A business application that runs in an Enterprise JavaBeans (EJB) container must communicate with a transactional third-party service. The communication technology must allow changing service providers without changing the application's business model.
Which technology would meet these requirements?

A. Java Business Integration

B. Java Connector Architecture

C. Simple Object Access Protocol

D. Java Message Service

E. Remote Method Invocation

정답: D

최신 1Z0-807 무료덤프 - Oracle Java EE 6 Enterprise Architect Certified Master

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