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SUN SCBCD 310-090試験番号: 310-090

試験の名称: Sun Certified Business Component Developer for J2EE 1.3

バージョン:V3.58
問題と解答:409 Q&As
価格(日本円):\ 8900.00 JPY
更新:2010-05-15

1. Which two must be in an ejb-jar file, either by inclusion or reference? (Choose two.)
A. an enterprise archive (.ear) file
B. a deployment descriptor in the format defined by the EJB 2.0 specification
C. the class files for the classes that implement the home and remote interfaces
D. the class files for the interfaces and superinterfaces used by the bean, except J2SE or J2EE interfaces
E. the class files for the stub classes of the EJBHome andEJBObject interfaces, if remote interfaces are
deployed for the bean
Answer: B D
2. Click the Exhibit button.
1.jpg
All beans involved use container-managed transactions and all methods are marked as Required. At
runtime, methodB is unable to communicate with its resource and calls the setRollbackOnly method.
What is the result?
A. JMS message redelivery semantics will apply.
B. The rollback will propagate to the sender of the message.
C. The bean's onMessage method will reattempt the sequence.
D. Transactions started by the onMessage method will always commit.
Answer: A
3. Which transaction attribute may cause a javax.transaction.TransactionRequiredException to be
thrown?
A. Required
B. Supports
C. Mandatory
D. RequiresNew
Answer: C
4. Which exception can be thrown by the findByPrimaryKey method of a remotely called entity bean using
container-managed persistence?
A. javax.ejb.EJBException
B. javax.ejb.DuplicateKeyException
C. javax.ejb.NoSuchEntityException
D. javax.ejb.ObjectNotFoundException
Answer: D
5. Given:
1.jpg
Which two elements must be included in the tag? (Choose two.)
A.
B.
C.
D.
Answer: A B
6. Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D
7. Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C
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【2010/06/30 12:45】 | 資格
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