81. JBoss server capable of hot deploy of services
keeping track of dependencies. T/F? –
82. Which is
a consumer in Topic?
MessageSubscriber
83. Which is a producer in Topic?
MessagePublisher
84. Which of the following is correct?
a. EntityManager
em=context.lookup();
b. EntityManager
em=context.lookup(“persistence”);
c. EntityManager
em=(EntityManager)context.lookup();
d. EntityManager
em=(EntityManager)context.lookup(“persistence”);
e.
EntityManager
em=(EntityManager)context.lookup(“java:comp/ejb/entitymanager”);
85. Why do we not have any activation or passivation
in MDB like in session beans?
as MDB
receives messages at any time asynchronously
86.Match annotation with purpose:
@EntityListener- Used for Entity beans call back
method.
@ExcludeSuperClassListener – In an inheritance
hierarchy, the super class listener is ignored in the subclass
@ExcludeDefaultListener – DefaultListener will be
ignored.
87. Which protocol is used for remote calls?
RMI-IIOP
88. Which declaration of local interface is correct?
There was only one option with @Local annotation.
89. If an object is not found during JNDI lookup
what exception is thrown?
NamingException
90. What has replaced entity beans?
a. Persitence API
b. Database API
