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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 Helper
- B、 Front Controller
- C、 Composite View
- D、 Intercepting Filter
- E、 Business Delegate
- F、 Chain of Responsibility
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更多 “ 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” 相关考题
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有状态Session Bean和无状态Session Bean的区别说法正确的是（）A、无状态Session Bean要保存客户端的状态，同客户端是一对一B、有状态Session Bean要保存客户端的状态，同客户端是一对一C、他们都要保存客户端的状态，同客户端是一对一D、以上说法都不对
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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
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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
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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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OSI参考模型有哪些层，按顺序（）A、Application、session、transport、network、physical、physical、datalinkB、Application，presentation，session，network，transport，datalink，physicalC、Application，presentation，session，transport，network，datalink，physicalD、Application，session，transport，physical、network、physical、datalink
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session bean有stateless和stateful两种状态类型，下面对stateless描述正确选择是（）。A、无状态session bean可以维持客户端的对话状态B、当客户端调用无状态session bean的方法时session bean的实例变量仅在调用期间内包含状态C、stateless session bean可以实现Web服务，但其他类型的企业bean不能
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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
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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 designpattern provides a solution for this problem？（）A、Session FacadeB、Business DelegateC、Data Access ObjectD、Model-View-ControllerE、Chain of Responsibility
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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.
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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
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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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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application uses Session objects. You are modifying the application to run on a Web farm. You need to ensure that the application can access the Session objects from all the servers in the Web farm. You also need to ensure that when any server in the Web farm restarts or stops responding， the Session objects are not lost. What should you do？（）A、Use the InProc Session Management mode to store session data in the ASP.NET worker process. B、Use the SQLServer Session Management mode to store session data in a common Microsoft SQL Server 2005 database. C、Use the SQLServer Session Management mode to store session data in an individual database for each Web server in the Web farm. D、Use the StateServer Session Management mode to store session data in a common State Server process on a Web server in the Web farm.
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单选题有状态Session Bean和无状态Session Bean的区别说法正确的是（）A
无状态Session Bean要保存客户端的状态，同客户端是一对一B
有状态Session Bean要保存客户端的状态，同客户端是一对一C
他们都要保存客户端的状态，同客户端是一对一D
以上说法都不对
考题
单选题session bean有stateless和stateful两种状态类型，下面对stateless描述正确选择是（）。A
无状态session bean可以维持客户端的对话状态B
当客户端调用无状态session bean的方法时session bean的实例变量仅在调用期间内包含状态C
stateless session bean可以实现Web服务，但其他类型的企业bean不能
考题
单选题Which 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 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 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 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
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