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試験の名称: Web Developer
問題と解答: 120 Q&As
更新: 2009-08-18
000-154: please download 000-154 in PDF format Demo
1.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
Correct:C D
2.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
Correct:A E
3.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.
Correct:B
4.Which of the following is NOT a message transfer protocol?
A.POP
B.SMTP
C.IMAP
D.MIME
Correct:D