Exam Number/Code:000-257
Exam Name: test 257,ent apdevwwibm rtnl apdev for wbsph software v6.0

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QUESTION 1:
Which of the following presents the order in which the scopes would be searched for
a data source JNDI name reference in a WebSphere Application Server V6
application?
A. Cell, Node, Server
B. Server, Node Cluster, Cell
C. Application, Server Cluster, Node, Cell
D. Server, Application, Node, Cluster, Cell
Answer: C
QUESTION 2:
A developer wants to test a J2EE V1.4 application with multiple message driven
beans. Multiple JMS procedure applications will be deployed to the same
WebSphere Application Server test server. Which of the following tasks must the
developer complete on the test server to support testing this J2EE application?
A. Create a single service integration bus and add the test server as a single bus member.
B. Create a single service integration bus and add the test server as a multiple bus
member.
C. Create multiple service integration buses and add the test server as a single bus
member to each bus.
D. Create multiple service integration buses and add the test server as a multiple bus
member to each bus.
Answer: A
QUESTION 3:
Which of the following data source settings is REQUIRED when a new DB2 data
source for a WebSphere Application SERVER v6 APPLICATION IS CREATED?
A. A name
B. A category
C. A description
D. An authentication alias
Answer: A
QUESTION 4:
A WebSphere Test Environment V6 Server has been created in order to test a
Servlet. The Servlet uses the default messaging system to send messages to a JMS
queue destination. At a minimum, what resources need to be configured on the
server in order for the Servlet to be able to send messages to the destination?
A. A service integration bus (with the server as a member) with an associated queue.
B. A JMS connection factory and JMS queue destination
C. A JMS connection factory and service integration bus (with the server as a member)
with an associated queue.
D. A JMS connection factor, JMS queue destination and service integration bus (with the
server as a member) with an associated queue
Answer: D
QUESTION 5:
To promote an ejbCreate method to the local home interface, the developer can
right click the method in the:
A. Deployment descriptor and select Enterprise Bean -> Promote to Local Home
Interface.
B. Deployment view and select Enterprise Bean -> Promote to Local Home Interface
C. Source view and select Enterprise Bean -> Promote to Local Home Interface.
D. Outline view and select Enterprise Bean -> Promote to Local Home Interface
Answer: D
QUESTION 6:
An EJB client begins a new transaction and makes calls to a number of entity beans.
The client detects an error condition and rolls back the transaction. If database
updates made by one of the entity beans are not rolled back, what is the likely
cause?
A. The entity bean’s transaction attribute is set to Requires New.
B. Another user concurrently accessed the same entity bean and committed the
transaction.
C. The container failed to propagate the client’s transactional context to the entity bean.
D. The entity bean is running in a non-transactional EJB container
Answer: A
QUESTION 7:
A developer has written session bean A that invokes session bean B and session bean
C. Session bean B logs events to an audit table. If session bean C causes the
transaction to roll back, the session bean B should still write to the table. What
should be the transaction attribute for the session bean B?
A. Mandatory
B. Required
C. RequiresNew
D. Supports
Answer: C
QUESTION 8:
When mapping a container-managed relationship field to a foreign key using
Rational Application Developer, the developer can:
A. Create the backend folder
B. Specify the navigability
C. Specify the converter.
D. Specify the multiplicity
Answer: C
QUESTION 9:
A developer has made changes to EJBs that were previously deployed. Errors now
appear in the Problems view. Using the EJB project’s context menu, which is the
BEST way to resolve the error?
A. Select Deploy
B. Select Quick-Fix, and click OK.
C. Select Redeploy Deployed Code, and click OK.
D. Select Delete. In the subsequent dialog, select only Redeploy Deployed Code, and
click OK.
Answer: A
QUESTION 10:
What is the BEST way to use EJB QL to find the number of unique customer
names, where customerName is a container-managed persistence filed in an EJB?
A. Use EJB aggregate functions.
B. Use customer finder methods
C. Use private helper methods
D. Use ejbSelect methods.
Answer: D

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