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单选题
A developer is designing a multi-tier application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， the application needs to find， in a transparent manner， the heterogeneous business components used to service the client’s requests. Which design patterns， working together， address these issues？（）
A
Business Delegate and Transfer Object
B
Business Delegate and Service Locator
C
Front Controller and Business Delegate
D
Intercepting Filter and Transfer Object
E
Model-View-Controller and Intercepting Filter
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单选题A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns， taken independently， provide a solution for this problem？ （）A
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Model-View-Controller
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Use the Service Management API to deploy the application package.B
Use the cspack and csrun command-line utilities and pass the cloud project as an argument.C
Publish the cloud project to a local directory and upload the application package to Windows Azure Blob storage.D
Publish the cloud project to a localdirectory and use the Windows Azure Developer Portal to upload the application.
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考题
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Remote ProxyB
Front ControllerC
Service ActivatorD
Intercepting FilterE
Business Delegate
考题
单选题A developer is designing a multi-tier web application and discovers a need to hide the details of establishingand maintaining remote communications from the client. In addition， the application needs to find，in a transparent manner，the heterogeneous business components used to service the client’s requests. Which design patterns， working together， address these issues？（）A
Business Delegate and Transfer ObjectB
Business Delegate and Service LocatorC
Front Controller and Business DelegateD
Intercepting Filter and Transfer Object
考题
单选题A Company.com developer is designing the presentation tier for a web application that relies on a complex session bean. The session bean is still being developed and the APIs for are NOT finalized. Any changes to the session bean API directly impacts the development of the presentation tier. Which design pattern provides a means to manage the uncertainty in the API？（）A
View HelperB
Front ControllerC
Composite ViewD
Intercepting FilterE
Business DelegateF
Chain of Responsibility
考题
单选题A developer is designing a web application which extensively uses EJBs and JMS. The developer finds thatthere is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further，because of the complexity， there are numerous errors in the code. Which J2EE design pattern provides asolution for this problem？（）A
CommandB
Transfer ObjectC
Service LocatorD
Session FacadeE
Business Delegate
考题
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View HelperB
Front ControllerC
Composite ViewD
Intercepting FilterE
Business Delegate
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