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Exam : BEA 0B0-109
Title : WebLogic Server 9

1. When a Web service throws an exception, how does a client that makes use of a JAX-RPC stub receive it?
A.As a RemoteException
B.As a SOAPFaultException
C.As a NullPointerException
D.As a WebServiceException
Answer: A

2. What is the JNDI name of the default queue used for configuring web service reliable messaging in WebLogic server?
A.weblogic.wsee.DefaultQueue
B.weblogic.DefaultQueue
C.weblogic.wsee
D.wsee.DefaultQueue
Answer: A

3. A reliable WebLogic web service provides which of the following delivery assurances?
A.AtLeastOnce
B.ExactlyOnce
C.MostlyOnce
D.AtMostOnce
Answer: AB

4. Which of these are valid descriptive sub-elements of a SOAP fault?
A.faultInteger
B.faultcode
C.faultstring
D.faultactor
Answer: BCD

5. Entity bean activation involves
A.EJB Container providing a primary key identity to a pooled EJB
B.EJB Container moves an EJB from secondary storage to main memory
C.EJB Container creates a new EJB instance and adds to the active pool
D.None of the above
Answer: A

6. What is the command to create a new web application archive (.war) file?
A.jar -Mvf someArchive.war *
B.jar -tvf someArchive.war *
C.jar -vf someArchive.war *
D.jar -cvf someArchive.war *
Answer: D

7. Which of these <trans-attribute> tags forces the EJB to be executed within a transaction started either by the client or container?
A.Supports
B.Required
C.RequiresNew
D.Mandatory
Answer: B

8. Which of these session parameters would impact the performance of a Web Application?
i. InvalidationIntervalSecs
ii. TimeoutSecs
iii. CacheSize
A.i
B.ii, iii
C.i, ii, iii
D.i, ii
Answer: C

9. What does a web service generate if an error occurs during the processing of a request?
A.A Java Exception
B.java.io.Exception
C.A SOAP Fault
D.None of the above
Answer: C

10. Applications deployed with J2EE technologies are:
i. Deployable in any compliant application server
ii. Adherent to specification guidelines
iii. Written in Java
A.ii, iii
B.i, ii, iii
C.iii, i
D.i, ii
Answer: B

11. Which of the following statements are true about JMX?
A.It defines an infrastructure to manage a driver from native programs
B.It decouples the managed device from the management tools
C.MBeans are the building blocks of JMX
D.All of the above
Answer: BC

12. Which of these is the least performing EJB concurrency strategies?
A.Database
B.Exclusive
C.ReadOnly
D.Optimistic
Answer: B

13. Which of these strategies can improve performance of a Container Managed Entity EJB?
A.Avoiding Compound Keys
B.Field Groups
C.Choosing a proper concurrency strategy
D.All of the above
Answer: D

14. A container or application server can optimize performance by pooling EJBs that are considered to be identical. Which or these parameters can be used to control the size of this EJB pool?
A.<max-beans-in-free-pool>
B.<max-beans-in-pool>
C.<beans-in-free-pool>
D.<max-beans-in-initial-pool>
Answer: A

15. Consider the following code snippet.
Context ctx = new InitialContext(); DataSource ds = (DataSource)ctx.lookup("SomeDatasource");
Which of these statements gets a JDBC connection successfully?
A.Connection con = ds.createConnection();
B.Connection con = ds.getConnection();
C.Connection con = ds.retrieveConnection();
D.Connection con = ctx.getConnection();
Answer: B

16. If cookies are disabled on the client browser, which of these methods on the HttpServletResponse object can help in rewriting the URL with a session ID?
A.session.encodeURL()
B.session.writeURL()
C.session.encodeSessionIDinURL()
D.session.encodeSessionID()
Answer: A

17. A system exception is one that indicates that the business method of an EJB was prevented from successfully executing because of some system-level error. Which of these statements is true about a system exception?
A.It is a subclass of RemoteException or RuntimeException
B.It is propagated to clients as a RemoteException
C.It is caught and logged by the container
D.All of the above
Answer: D

18. Which of these statements is not true about Design Patterns?
A.They are a non-repeatable process or design addressing a specific issue or a problem in the development of a system.
B.They are predictable in their function and are consistent in their pros and cons.
C.They are concepts that allow for a common method to quickly and effectively communicate complex ideology to others.
D.They allow for the accelerated education of the concept for those new to it.
Answer: A

19. When a reliable web service method is invoked asynchronously, which of these scenarios will happen?
A.The results will be sent back in the same reliable sequence as the method invocation
B.The results will be sent back in another reliable sequence
C.The results will not be sent in a reliable sequence
D.None of the above
Answer: B

20. Transaction configuration can have a big impact on the performance of EJBs. Which of these statements is true?
i. Too many fine-grain transactions generate excessive traffic to transaction and resource managers ii. Too many coarse-grain transactions may block other clients accessing the same resources
A.i
B.ii
C.i, ii
D.None of the above
Answer: C

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