What is the restriction that EJB specification imposes on CMP fields?

By interoperating via IIOP, an EJB can directly access:

How do Enterprise Java Beans access the database?

An online shop employs a stateless session bean (named 'Eshop') to process the requests. 'Eshop' uses a declarative transaction management system. The following code is from the xml deployment descriptor file of the bean:

1.        <ejb-jar>
2.        <enterprise-beans>
3.         <session>
4.                <ejb-name>Eshop</ejb-name>
5.                <home>com.solution.EshopHome</home>
6.                <remote>com.solution.Eshop</remote>
7.                <local-home>com.solution.EshopLocalHome</local-home>
8.                <local>com.solution.EshopLocal</local>
9.                <ejb-class>com.solution.EshopBean</ejb-class>
10.
11.
12.         </session>
13.        </enterprise-beans>
14.        </ejb-jar>

The session and transaction attributes are to be coded in the lines numbered 10 and 11. Which of the following options should be used to make the bean work as expected?

Which of the following statements is correct with regard to 'poison' message?

A heavy tool manufacturing company manages its business and production by using enterprise beans. A session bean named 'Status' is used to get the production status for the day. The following code gets the context:

Context initialContext = new InitialContext();

The bean provides a local client view. For the local home interface named 'StatusHome.' What should be the lookup?

Do clients of EJB instantiate beans directly?

A bean _______ is the code responsible for managing beans and the various interfaces.

A class is serializable if a class's inheritance hierarchy implements _________.

What bean represents real-world objects?

What does it mean when business objects have a state?