Exam dumps, software Testing engine Testcenter Oracle 1Z0-895 cert24
Exam dumps, software Testing engine Testcenter Oracle 1Z0-895 cert24

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1Z0-895 Java Platform, Enterprise Edition 6 Enterprise JavaBeans Developer Certified Expert Exam our products come with a 100% guarantee of success. We hold this claim because of the highly dedicated and expert team that we have and because of our past performance.

QUESTION NO: 1
Which statement is correct about a Java EF client of a message driven bean?

A. The client can use JNDI to obtain a reference to a message destination.
B. The client can use JNDI to obtain a reference to a dependency injection.
C. The client can use JNDI to obtain a reference to a message-driven bean instance.
D. The client can use JNDI to look up a reference to the message-driven bean’s home interface.

Answer: A

QUESTION NO: 2
You are writing an EE component that functions as a message producer. The message producer sends message to a JMS queue. The component environment defines a resource-ref of type javax.jms.ConnectionFactory with the same jms/ConnectionFactory.
Which will correctly obtain a connection factory for a queue?

A. Context context = new initialContext();
Connectionfactory confac = (ConnectionFactory) Context.lookup
(“java: comp/env/jms/ConnectionFactory”);
B. InitialContext Context = new Context () ;
QueueConnectionFactory confac = (QueueConnectionFactory) context.lookup
(“java: comp/env/jms/Myfactory”);
C. @Resource (“ConnectionFactory”)
private static QueueConnectionFactory confac;
D. @Resource (loopkup = “jms/QueueConnectionFactory”)
private static ConnectionFactoryconfac;

Answer: D

Explanation:
A connection factory is the object a client uses to create a connection to a
provider. A connection factory encapsulates a set of connection configuration parameters that has been defined by an administrator. Each connection factory is an instance of
theConnectionFactory, QueueConnectionFactory, or TopicConnectionFactory interface
At the beginning of a JMS client program, you usually inject a connection factory resource into a ConnectionFactory object. For example, the following code fragment specifies a resource whose JNDI name is jms/ConnectionFactory and assigns it to a ConnectionFactory object:
@Resource(lookup = “jms/ConnectionFactory”)
private static ConnectionFactory connectionFactory;
Reference:The Java EE 6 Tutoria,The JMS API Programming Model

QUESTION NO: 3
You are writing a client that sends a message to a JMS queue. Which statement is true?

A. You use a connection factory to create a session.
B. When you create a session, you specify whether or not it is transacted.
C. When you create a connection, you specify the acknowledgment mode.
D. When you create a message producer, you must specify the name of the destination to which you will send messages.

Answer: A

Explanation:
Note:
The SimpleMessageClient sends messages to the queue that the SimpleMessageBean listens to.
The client starts by injecting the connection factory and queue resources:
@Resource(mappedName=”jms/ConnectionFactory”)
private static ConnectionFactory connectionFactory;
@Resource(mappedName=”jms/Queue”)
private static Queue queue;
Next, the client creates the connection, session, and message producer:
connection = connectionFactory.createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
messageProducer = session.createProducer(queue);
Finally, the client sends several messages to the queue:
message = session.createTextMessage();
for (int i = 0; i < NUM_MSGS; i++) {
message.setText(“This is message ” + (i + 1));
System.out.println(“Sending message: ” + message.getText());
messageProducer.send(message);

Exam dumps, software Testing engine Testcenter Oracle 1Z0-895 cert24