Interview question based on skill :
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Total Questions: 5
1. The findByXXX() method in the Home Interface of an entity bean returns ____. Choose 2.
Correct Answer is : An instance of the Remote Reference to the bean
2. You are the lead architect for a project that requires interfacing with existing CORBA systems. You are planning to use Java IDL to integrate with these other systems. Which of the following statements about Java IDL are true?
Correct Answer is : Java IDL allows Java to use CORBA.
3. In the Publish subscribe messaging architecture, publishers send messages to:
Correct Answer is : A specified node, which is then re-distributed to all subscribers.
4. Which of the following are true about N-Tier Systems?
Correct Answer is : Since N-Tier systems are container based; many N-Tier systems can be easily scaled (both vertically and horizontally).
5. EJB1.1 has support for undefined Primary Keys. This means that the Primary Key can be undefined until deployment time. When we use defined Primary Keys, the Bean class and the Interfaces use the BeanPK type to identify the key. What do the Bean class and the Interfaces refer to in the case of undefined Primary Keys?
Correct Answer is : An instance of java.lang.Object
