Sun Certified Business Component Developer for the Java 2
Platform, Enterprise Edition 1.3
Which two must be in an ejb-jar file, either by inclusion of reference? (Choose two.)
A. an enterprise archive(.ear)file
B. a deployment descriptor in the format defined by the EJB 2.0 specification
C. the class files for the classes that implement the home and remote interfaces.
D. The class files for the interfaces and super interfaces used by the bean, except J2SE or J2EE
E. The class files for the stub classes of the EJBHome and EJOBject interfaces, if remote
interfaces are deployed for the bean
Answer: B, D
All beans involved use container-managed transactions and all methods are marked as Required. At
runtime, methodB is unable to communicate with its resource and calls the setRollback Only
What is the result?
A. JMS message redelivery semantics will apply.
B. The rollback will propagate to the sender of the massage.
C. The bean’s onMassage method will reattempt the sequence.
D. Transactions started by the onMassage method will always commit.
Which exception can be thrown by the findByPrimaryKey method of a remotely called
entity bean using container-managed persistence?
Which exception can be thrown by the findByPRkimaryKey method of a remotely called entity bean
using container-managed persistence?
Which two elements must be included in the <resource-ref> tag? (Choose two.)
Which is a Bean Provider’s security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deplodyment descriptor
C. declares the security-role client in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Which two statements about a client’s to a reference to a session bean’s remote home interface are
true? (Choose two.)
A. The reference can be passed as a methods argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to a least one create method.
D. A new home reference must be obtained for each new reference ot remote component
Which method form javax.ejb.EJBContext returns an object that allows a Bean provider to
D. begin Transaction()
Which statement is true about a session bean’s lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean’s home interface can have overloaded create methods.
C. Stateless session beans can implement javax.cjb.SessionSynchyronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session beend instance.
Which method can b found in BOTH the EJBHome and EJBLocalHome interface?
C. remover(Handle handle)
D. remove(Object primaryKey)
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