The next phase of the project involves refactoring the existing code to address these two issues.
Which design pattern, if employed in the refactoring exercise, would most directly address the
two issues?

A. Service to Worker
B. Dispatcher view
C. DAO
D. Composite View
Answer(s): A
Reference: http://www.vincehuston.org/j2ee/corepatterns.html (see `service to worker')

QUESTION: 12
You are using an open source integration framework in your project. However, key interfaces do
not explicitly define several strange conditions you have repeatedly seen while testing.
Which option is the name given to the anti pattern described above?

A. Composite View
B. Leaky Abstraction
C. Asynchronous Interaction
D. Golden Hammer

Answer(s): C
QUESTION: 13
Which two statements are true about security strategies at the message level?

A. Messages are secured during transport and after arrival at their destination
B. Each portion of a compound message is secured.
C. SSL is required to ensure authenticity, integrity, and confidentiality.
D. Message attachments are secured without the need for a dedicated API.
E. Security is dependent on the application environment or the transport protocol.
Answer(s): C, E
QUESTION: 14
Which two features are supported by the Java Authentication and Authorization Service (JAAS)
API?

A. single sign on
B. secure network connections
C. configurable access control policies
D. web services security
E. message encryption and key generation
Answer(s): A, C

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