Question 230 you are the architect for an in house

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QUESTION: 230 You are the architect for an in-house application used by a consulting corporation to schedule internal resources to staff client engagements. The application will be used only by a well- defined user group (the in-house HR team) and so will not be exposed to large spikes in demand. Two phase commit semantics are not required, and the simple security model is addressed by integration with the company's LDAP server at the presentation layer. The company does have a 36-month roadmap for their intranet which calls for incremental development of the application over time. What is the best solution for implementing the business logic tier? 92
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QUESTION: 231 A company that sells avatar skins for virtual reality environments has hired an architect consultant to determine why their system runs slowly. The consultant finds that the business logic that processes orders has been embedded into all of their JSPs using scriptlets. During load testing, the responsiveness of the system is slow, but the CPU and VM-free memory utilization remain at a low level. Which two are most likely causes of the problem? (Choose two.)
QUESTION: 232 A company is embarking on a major new initiative, the creation of an eCommerce, B2C (business to consumer) application to sell their widgets. As the lead architect, you need to decide whether or not to use EJBs in the business tier of the architecture. The architecture is as follows: JSP <-> Controller <-> Business logic <-> JPA-based persistence. Which option represents the optimal solution describing the business tier implementation?

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