Oracle 1Z0-860 Online Practice Questions and Exam Preparation

Oracle 1Z0-860 Online Questions & Answers

• Question 301:

  DRAG DROP

  Click the Task button.

  A Department entity is in a one-to-many relationship with an Employee entity. A developer has been asked to write a Java Persistence query to update the set of employees who are in the department 'HR' by setting their department to null.

  Construct a query using the Java Persistence query language to perform this task. Construct a valid Java Persistence query by dragging and dropping the syntax fragements.

  Select and Place:

  

  

• Question 302:

  Given code snippets from two files:

  7.

  public class Dog {

  8.

  public void onMessage(Message m) { System, out. print("1 ");

  9.

  1

  And

  10.

  @MessageDriven

  11.

  class MessageDog extends Dog implements MessageDrivenBean

  12.

  MessageDog(Message m){ System, out. print("2 "); } 13.}

  Which four code changes, when used together, create a valid JMS message-driven bean? (Choose four.

  A. Make class MessageDog public.
  B. Make the MessageDog constructor no-arg.
  C. Make the MessageDog constructor public.
  D. Move the onMessage method to class MessageDog.
  E. Change MessageDog so that it is NOT a subclass of Dog.
  F. Make class MessageDog implement MessageListener instead of MessageDrivenBean.
  A. Make class MessageDog public.
  B. Make the MessageDog constructor no-arg.
  C. Make the MessageDog constructor public.
  F. Make class MessageDog implement MessageListener instead of MessageDrivenBean.

• Question 303:

  The deployment descriptor for a stateless session bean that uses the isCallerlnRole method reads as follows:

  3.

  4.

  manager

  5.

  humanresources

  6.

  16.

  17.

  18.

  Is allowed to view and update all employee records.

  19.

  20.

  humanresources

  21.

  Which two roles are responsible for creating this deployment descriptor? (Choose two.)

  A. Deployer
  B. BeanProvider
  C. System Administrator
  D. Application Assembler
  B. BeanProvider
  D. Application Assembler

• Question 304:

  Given:

  A stateless session bean's business method invokes EJBContext.setRollbackOnly and receives an Illegal StateExe option. Under which of these conditions could this be possible?

  A. The business method is marked with the MANDATORY transaction attribute.
  B. The business method is marked with the NONSUPPORTED transaction attribute.
  C. This is NOT possible; a stateless session bean cannot invoke EJBContext.setRollbackOnly.
  D. The bean has no metadata (in annotations or deployment descriptor) which specifies the transaction attribute for the method.
  B. The business method is marked with the NONSUPPORTED transaction attribute.

• Question 305:

  Which four are defined in the EJB specification as a standard EJB role? (Choose four.

  A. End Point Provider
  B. Persistence Provider
  C. NameSpace Provider
  D. JSF Interface Provider
  E. ApplicationAssembler
  F. EJBContainerProvider
  G. EnterpriseBeanProvider
  B. Persistence Provider
  E. ApplicationAssembler
  F. EJBContainerProvider
  G. EnterpriseBeanProvider