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Question:
Which of the following is true for CORBA?

1.Protocol for distributed computing

2.Database specification

3.Specification for distributed objects

4.Both (c) and (d) above.

Posted Date:-2024-02-07 12:31:18

More MCQS Questions and answers

  1. Which of the following exceptions is thrown by the ejbLoad() method of an entity bean when the database row to be loaded is not found ?
  2. Which of the following is true for EJB?
  3. Which part of multi-tier enterprise application contains EJB component?
  4. Which statement correctly identifies the goals of the designers of the EJB architecture?
  5. A message driven bean is like statefull session bean that encapsulates the business logic and doesn't maintain state.
  6. EJB QL is a Query Language provided for navigation across a network of enterprise beans and dependent objects defined by means of container managed persistence.
  7. EJB system’s performance tuning is the responsibility of
  8. The EJB Transaction Attribute that ensures the method call that always takes place in a transaction, either client started or container started’ are
  9. Upon invoking getRollbackOnly() method by a business method in an entity bean, which transaction attribute settings will lead the ejb container to throw an exception?
  10. When a session bean has container-managed demarcation value of 'Supports', which three methods run in an unspecified transaction context? 1. ejbActivate 2. getRollbackOnly 3. getUserTransaction 4. ejbRemove 5. afterBegin 6. afterCompletion
  11. Which EJB uses EJB-QL for query operations?
  12. Which EJB usually represents persistent data?
  13. Which interface should be implemented by a stateful session bean if it needs to synchronize its conversational state with the transactional context?
  14. Which is least visibility scope for Java bean in JSP?
  15. Which is not a valid scope for Java bean in JSP?
  16. Which is the method available in SessionContext interface?
  17. Which JSP tag is used to transfer processing to another JSP page?
  18. Which method of the request object is used to extract values of the input fields in a form when it is submitted?
  19. Which of the EJB has a passive state in its life cycle? I. Stateless Session Bean. II. Message-Driven Bean. III. BMP Entity Bean.
  20. Which of the following can be directly invoked by the client?
  21. Which of the following distributed object technology is/are not included in Java? I. CORBA. II. DCOM. III. RMI. IV. EJB.
  22. Which of the following EJB has no state? i. Message-Driven Bean. ii. BMP Entity Bean. iii. Stateless Session Bean. iv. Stateful Session Bean.
  23. Which of the following EJB type has no Remote interfaces?
  24. Which of the following is an approach for state maintenance in Web applications?
  25. Which of the following is not a container for EJB? I. Internet Information Server. II. Java System Application Server. III. Tomcat. IV. WebLogic.
  26. Which of the following is not a property of EJB transaction?
  27. Which of the following is not an implicit object in JSP? I. Request. II. Session. III. Vector. IV. In.
  28. Which of the following is not true for <jsp:useBean> tag in JSP page?
  29. Which of the following is not true for servlet?
  30. Which of the following is the format for EJB deployment descriptor files?
  31. Which of the following is true for CORBA?
  32. Which of the following is true for Java Bean?
  33. Which of the following is true for JNDI?
  34. Which of the following is/are true for JSP technology? I. It is persistent. II. Platform independent. III. Browser executes the code.
  35. Which of the following types of Enterprise Java Bean will be most likely to be difficult to port from one App Server to another?
  36. Which role in EJB architecture is responsible for EJB Server?
  37. Which statement about life-cycle callback methods is correct?
  38. Which statements about a session bean class are true?
  39. Which two of the following is responsible to creates ejb-jar files? 1. The bean provider. 2. The application assembler. 3. The deployer. 4. The system administrator.
  40. Which two of the following must be included in every ejb-jar file? 1. Stubs for the EJBHome and EJBObject interface. 2. The JAR Manifest file. 3. A deployment descriptor. 4. The JNDI context. 5. The EJB's home interface.
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