Q. EJB is like COM, Abbreviate the term COM?
✅ Correct Answer: (A)
Component Object Model
J2EE Technologies MCQs and Notes
Q. Which component does the Entity bean represent the persistent data stored in the database?
✅ Correct Answer: (A)
Server-side component
Q. A session bean represents a multiple clients inside the Application Server.
✅ Correct Answer: (B)
False
Q. EJB is a specification for J2EE server, not a product; Java beans may be a graphical component in IDE.
✅ Correct Answer: (A)
True
Q. Which EJB container must provide an implementation of Java Naming and Directory Interface (JNDI) API to provide naming services for EJB clients and components?
✅ Correct Answer: (C)
Naming support
Q. Which session bean maintain their state between client invocations but are not required to maintain their state across server crashes or shutdowns?
✅ Correct Answer: (C)
Singleton Session Bean
Q. JMS is mainly used to send and receive message from one application to another.
✅ Correct Answer: (A)
True
Q. Abbreviate the term JMS?
✅ Correct Answer: (A)
Java Message Service
Q. A message driven bean is like a stateful session bean that encapsulates the business logic and doesn't maintain state.
✅ Correct Answer: (B)
False
Q. 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.
✅ Correct Answer: (A)
True