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单选题
A developer is designing a web application that must support multiple interfaces，including： an XML web service for B2B HTML for web-based clients WML for wireless customers. Which designpattern provides a solution for this problem？（）
A
Session Facade
B
Business Delegate
C
Data Access Object
D
Model-View-Controller
E
Chain of Responsibility
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A developer is designing a web application that must support multiple interfaces， including： • an XML web service for B2B • HTML for web-based clients • WML for wireless customers Which design pattern provides a solution for this problem？（ ）A、 Session FaçadeB、 Business DelegateC、 Data Access ObjectD、 Model-View-ControllerE、 Chain of Responsibility
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单选题A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing， the developer discovers that the volume of remote requests significantly degrades performance of the application. Which design pattern provides a solution for this problem？（）A
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单选题Which statement is true about web container session management？（）A
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If the web application uses HTTPS， then the web container may use the data on the HTTPS request stream to identify the client.D
The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
考题
单选题Which the statement is true about web container session management（）？A
Access to session-scoped attributes is guaranteed to be thread-safe by the web container.B
To activate URL rewriting， the developer must use the HttpServletResponse.setURLRewriting method.C
If the web application uses HTTPS， then the web container may use the data on the HTTPS request stream to identify the client.D
The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
考题
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
Transfer ObjectB
Service LocatorC
Front ControllerD
Intercepting FilterE
Business DelegateF
Model-View-Controller
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
单选题A developer is designing a web application that must support multiple interfaces， including： an XML web service for B2B HTML for web-based clients WML for wireless customers. Which designpattern provides a solution for this problem？（）A
Session FacadeB
Business DelegateC
Data Access ObjectD
Model-View-ControllerE
Chain of Responsibility
考题
单选题A developer is designing the presentation tier for a web application which requires a centralized requesthandling to complete common processing required by each request. Which design pattern provides asolution to this problem？（）A
Remote ProxyB
Front ControllerC
Service ActivatorD
Intercepting FilterE
Business Delegate
考题
单选题A developer is designing a web application that makes many fine-grained remote data requests for eachclient request. During testing， the developer discovers that the volume of remote requests significantlydegrades performance of the application. Which design pattern provides a solution for this problem？（）A
FlyweightB
Transfer ObjectC
Service LocatorD
Dispatcher ViewE
Business DelegateF
Model-View-Controller
考题
单选题A developer is designing a web application that must verify for each request： The originating request is froma trusted network. The client has a valid session.The client has been authenticated. Which design pattern provides a solution in this situation？（）A
Transfer ObjectB
Session FacadeC
Intercepting FilterD
Template MethodE
Model-View-Controller
考题
单选题A developer is designing a web application that must support multiple interfaces， including： • an XML web service for B2B • HTML for web-based clients • WML for wireless customers Which design pattern provides a solution for this problem？（ ）A
Session FaçadeB
Business DelegateC
Data Access ObjectD
Model-View-ControllerE
Chain of Responsibility
考题
单选题A 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 it are NOT finalized. Any changes to the sessionbean API directly impacts the development of the presentation tier. Which design pattern provides a meansto manage the uncertainty in the API？（）A
View HelperB
Front ControllerC
Composite ViewD
Intercepting FilterE
Business Delegate
考题
单选题A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there 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 a solution for this problem？（）A
CommandB
Transfer objectC
Service locatorD
Session FaçadeE
Business delegateF
Data access object
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