Question 1

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.
A)True
B)False
C)none
D)all

Accepted Answer

EJB QL (Enterprise JavaBeans Query Language) is indeed a query language designed for navigating across a network of enterprise beans and their related objects, particularly in the context of container-managed persistence.

Question 2

A message driven bean is like a stateful session bean that encapsulates the business logic and doesn't maintain state.
A)True
B)False
C)none
D)all

Accepted Answer

A message-driven bean does encapsulate business logic similar to other types of Enterprise JavaBeans, but unlike stateful session beans, it does not maintain any state. It is designed specifically to process messages asynchronously, making the initial statement false.

Question 3

Abbreviate the term JMS?
A)Java Message Service
B)Java Monitor Service
C)Java Message Session
D)Java Monitor Session

Accepted Answer

Java Message Service is the correct abbreviation for JMS, which is a Java API that allows applications to create, send, receive, and read messages.

Question 4

JMS is mainly used to send and receive message from one application to another.
A)True
B)False
C)none
D)all

Accepted Answer

JMS (Java Message Service) is indeed primarily used for sending and receiving messages between two or more applications, facilitating asynchronous communication in distributed systems.

Question 5

Which session bean maintain their state between client invocations but are not required to maintain their state across server crashes or shutdowns?
A)Stateful Session Bean
B)Stateless Session Bean
C)Singleton Session Bean
D)None of the above

Accepted Answer

The answer of Which session bean maintain their state between...

Quiz 1: Java GUI and Beans

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.

A message driven bean is like a stateful session bean that encapsulates the business logic and doesn't maintain state.

Abbreviate the term JMS?

JMS is mainly used to send and receive message from one application to another.

Which session bean maintain their state between client invocations but are not required to maintain their state across server crashes or shutdowns?