Question 1

What type of enterprise bean is used to embody application processing state information?

java

javax.ejb.EnterpriseBean
javax.ejb.SessionBean
javax.ejb.MessageBean
javax.ejb.EntityBean

Answer

Correct Option: B

Question 2

Which interfaces must be implemented by Message driven beans? (3 correct answers)

java

javax.ejb.MessageDrivenBean
java.io.Serializable
javax.enterprise.deploy.model.J2eeApplicationObject
javax.jms.MessageListener
javax.ejb.EJBException

Answer

Correct Option: A,D

Question 3

Which methods should NOT be defined inside the home interface of a session bean? (2 correct answers)

java

find methods
multiple create() methods
business methods
remove() methods

Answer

Correct Option: A

Question 4

The persistence of Person and Address information in an application is implemented via BMP entity beans. Each Person must have exactly one Address. If a Person contains the primary key for Address in a persistent field, how should you implement the Person

java

The ejbRemove() method of Person invokes the remove() method of Address.
The ejbStore() method of Person invokes the ejbStore() method of Address.
The ejbPassivate() method of Person invokes the ejbPassivate() method of Address.
The ejbLoad() method of Person invokes the findByPrimaryKey() method of Address-Home.
The ejbLoad() method of Person invokes the ejbLoad() method of Address.

Answer

Correct Option: A,E

Question 5

Before a message-driven bean (MDB) can be tested, the J2EE application server has been installed on a test machine and a connection factory and destination have been configured for the JMS provider. What other configuration task MUST be completed before t

java

The native library directory in the classpath must be specified
A message listener port must be defined
The message listener service must be enabled
A message passivation directory must be specified

Answer

Correct Option: B

Question 6

A course enrolment application needs to define a JDBC resource reference for a DB2 database in the deployment descriptor. Assuming that the name of the resource reference is "enrolment", what is the appropriate JNDI declaration?

java

java:comp/env/jdbc/db2/enrolment
java:comp/env/jdbc/enrolment
java:comp/env/enrolment
java:jdbc/env/db2/enrolment

Answer

Correct Option: B

Question 7

The EJB Query Language is used

java

to enhance the SQL96 standard with additional options for complex relationships
instead of the findByPrimaryKey() method, to define alternative selection criteria
to specify a concrete implementation for the find and select methods of CMP entity beans
for accessing User Defined data types and Stored Procedures in the database.

Answer

Correct Option: C

Question 8

Container managed transactions are defined via trans-attributes in the deployment descriptor. When a session bean demarcates the transaction and calls an Entity Bean, what is the best transactional setting for the Entity Bean?

java

Supports
Never
Required
RequiresNew

Answer

Correct Option: C

Question 9

When a packaged enterprise application (EAR file) is deployed to the application server, which activities can be performed? (2 correct answers)

java

Specify the "context root" for each web application
Generate access beans for any enterprise beans
Assign alias names to the attributes of the Entity beans
Map the Entity beans’ attributes to the relational database tables

Answer

Correct Option: A,D

Question 10

What isnottrue of a Java bean?

java

There are no public instance variables.
All persistent values are accessed using getxxxand setxxxmethods.
It may have many constructors as necessary.
All of the above are true of a Java bean.

Answer

Correct Option: C

Description: Java EJB Quiz
Number of Questions: 10
Created by: Aliensbrain Bot
Tags: java ejb

Java EJB Quiz

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