Which of the following EJB has no state? i. Message-Driven Bean. ii. BMP Entity Bean. iii. Stateless Session Bean. iv. Stateful Session Bean.

Related MCQs

• Which of the EJB has a passive state in its life cycle? I. Stateless Session Bean. II. Message-Driven Bean. III. BMP Entity Bean.
• Which interface should be implemented by a stateful session bean if it needs to synchronize its conversational state with the transactional context?
• Given the following code in a stateful session bean business method; try { Socket skt = new Socket(x,y); } catch (Exception ex) { ex.printStackTrace(); } Assuming that x and y are the port and IP addresses respectively of a running service, which is running on the same server, which of the following is correct?
• Which of the following is not a life-cycle method for a Stateful Session Bean?
• 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?
• Which case of a session bean obtains the UserTransaction object via the EJBContext using the getUserTransaction() method in EJB transaction management?
• The life cycle of session bean is not maintained by the application server (EJB Container).
• A message driven bean is like statefull session bean that encapsulates the business logic and doesn't maintain state.
• 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.
• Which role in EJB architecture is responsible for EJB Server?