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WorksheetsEnterprise JavaBeans (part1)
Total questions: 10
Worksheet time: 10mins
EJB stands for Enterprise JavaBeans
YES
NO
How many components in the EJB architecture?
2
3
4
EJB components run inside an EJB container and EJB container runs inside a Java application server
TRUE
FALSE
EJB container is one of the components in the EJB architecture.
TRUE
FALSE
The function of JavaBeans is similar to Enterprise JavaBeans.
TRUE
FALSE
The EJB object implements the "remote interface" of the EJB component on the server.
TRUE
FALSE
What are the three types of EJB?
Session beans
Entity beans
Message-driven beans
Object beans
In session beans, which bean's state that guaranteed a "thread safety"?
Singleton beans
Stateless session beans
Stateful session beans
_____ are associated with database transactions and may provide data access to multiple users.
Message-driven beans
Entity beans
Session beans
Which bean that is useful for long-running jobs?
Session bean
Entity bean
Message-driven bean
