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Exam : IBM 000-154
Title : Test 154,web developer


1. What is best method for obtaining a home interface for a bean named Employee?
A. Context initCtx = new InitialContext(System.getProperties());
Object o = initCtx.lookup("EmployeeHome");
EmployeeHome empHome = (EmployeeHome)
javax.rmi.PortableRemoteObject.narrow(o,
EmployeeHome.class);
B. Context initCtx = InitialContext.getDefaultContext();
Object o = initCtx.lookup("EmployeeHome");
EmployeeHome empHome = (EmployeeHome)
javax.rmi.PortableRemoteObject.narrow(o,
EmployeeHome.class);
C. Context initCtx = new InitialContext(System.getProperties());
EmployeeHome empHome = (EmployeeHome)
initCtx.lookup("EmployeeHome");
D. Context initCtx = InitialContext.getDefaultContext();
EmployeeHome empHome = (EmployeeHome)
initCtx.lookup("EmployeeHome");
Answer: A

2. EJB clients must supply which two of the following pieces of information in order to use JNDI services?
A. The IP address of a Web container
B. The DataSource name for a JDBC database
C. A provider URL detailing the location of the name tree
D. The class name of the initial context factory
Answer: CD

3. Given a JDBC data source named myDataSource, which of the following establishes a JDBC connection?
A. Connection con = new Connection(myDataSource);
B. Connection con = myDataSource.getConnection();
C. Connection con = ConnectionManager.getConnection(myDataSource);
D. Connection con = myDataSource.open();
Answer: B

4. When a context throws a NamingException, which of the following methods can be used to determine which portion of the JNDI name is valid?
A. NamingException.resolvedObj()
B. NamingException.remainingName()
C. NamingException.resolvedName()
D. NamingException.getRootCause()
Answer: C

5. Which of the following is NOT a message transfer protocol?
A. POP
B. SMTP
C. IMAP
D. MIME
Answer: D

6. Which two of the following are NOT parts of the J2C Version 1.0 Common Client Interface?
A. ConnectionFactory
B. ConnectionException
C. ResultSetMetaData
D. TransactionFactory
E. ResultSet
Answer: BD

7. In the JMS API for the publish-subscribe domain, how does a durable subscriber differ from a non-durable subscriber?
A. Messages in topics that have durable subscribers remain in the topic until they expire or the subscriber connection to the JMS provider is closed.
B. If a durable subscriber becomes disconnected without unsubscribing and later reconnects, the subscriber receives messages that arrived while the subscriber was not active.
C. If a topic has a durable subscriber, the JMS provider logs all messages in a persistent media so that an application can inspect the log and extract messages at a later time.
D. The application server delivers each message in a transactional context so that if a durable subscriber then rolls back the transaction, the state of the message reverts to that prior to delivery.
Answer: B

8. When the JMS API is used, which two subtypes of javax.jms.Message are most appropriate for sending a message to a consumer that is not a Java client?
A. BytesMessage
B. MapMessage
C. ObjectMessage
D. StreamMessage
E. TextMessage
Answer: AE

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