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 bus

题目
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

相似考题

1.Rapid application development(RAD) systems purport to lighten the developer's(46)by making it easy to program an application with simple intuitive steps.RAD tools(47)the developer everything needed to construct a fully functional application quickly and easily. They make short work of modifying the developed product to(48)changes after the program is finished. Applications developed with RAD tools are constructed as they are envisioned. As an application's real usefulness(49), the developer armed with RAD tools should be able to(50)on new features with little fuss.A．burdenB．troubleC．taskD．weight

2. 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

3. A Company.com developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， because the business and resource tiers are distributed， the application needs to minimize the inter-tier network traffic related to servicing client requests.  Which design patterns， working together， address these issues？（）A、 Front Controller and Transfer ObjectB、 Front Controller and Service LocatorC、 Business Delegate and Transfer ObjectD、 Business delegate and Intercepting FilterE、 Model-View-Controller and Intercepting Filter

4. 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

更多“A developer is designing a multi-tier application and discov”相关问题

  • 第1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 Object
    • B、 Service Locator
    • C、 Front Controller
    • D、 Intercepting Filter
    • E、 Business Delegate
    • F、 Model-View-Controller

    正确答案:C

  • 第2题：

    A developer is designing a multi-tier web application and discovers a need to log each incoming clientrequest. Which two patterns， taken independently， provide a solution for this problem？（）

    • A、Transfer Object
    • B、Service Locator
    • C、Front Controller
    • D、Intercepting Filter
    • E、Business Delegate

    正确答案:C,D

  • 第3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、Flyweight
    • B、Transfer Object
    • C、Service Locator
    • D、Dispatcher View
    • E、Business Delegate
    • F、Model-View-Controller

    正确答案:B

  • 第4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 Façade
    • B、 Business Delegate
    • C、 Data Access Object
    • D、 Model-View-Controller
    • E、 Chain of Responsibility

    正确答案:D

  • 第5题：

    You are designing an automated deployment process for a Windows Azure application.   The process must deploy the application to Windows Azure without any user interaction. You need to recommend a deployment strategy.  What should you recommend？（）

    • A、 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.

    正确答案:A

  • 第6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 Object

    B

    Session Facade

    C

    Intercepting Filter

    D

    Template Method

    E

    Model-View-Controller


    正确答案： E
    解析： 暂无解析

  • 第7题：

    单选题
    A Company.com developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， because the business and resource tiers are distributed， the application needs to minimize the inter-tier network traffic related to servicing client requests.  Which design patterns， working together， address these issues？（）
    A

     Front Controller and Transfer Object

    B

     Front Controller and Service Locator

    C

     Business Delegate and Transfer Object

    D

     Business delegate and Intercepting Filter

    E

     Model-View-Controller and Intercepting Filter


    正确答案： C
    解析： 暂无解析

  • 第8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

     Command

    B

     Transfer object

    C

     Service locator

    D

     Session Façade

    E

     Business delegate

    F

     Data access object


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    You are designing an automated deployment process for a Windows Azure application.   The process must deploy the application to Windows Azure without any user interaction. You need to recommend a deployment strategy.  What should you recommend？（）
    A

     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.


    正确答案： C
    解析： 暂无解析

  • 第10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 Proxy

    B

    Front Controller

    C

    Service Activator

    D

    Intercepting Filter

    E

    Business Delegate


    正确答案： E
    解析： 暂无解析

  • 第11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 Helper

    B

     Front Controller

    C

     Composite View

    D

     Intercepting Filter

    E

     Business Delegate

    F

     Chain of Responsibility


    正确答案： F
    解析： 暂无解析

  • 第12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 Helper

    B

    Front Controller

    C

    Composite View

    D

    Intercepting Filter

    E

    Business Delegate


    正确答案： B
    解析： 暂无解析

  • 第13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

    正确答案:B

  • 第14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、 Flyweight
    • B、 Transfer Object
    • C、 Service Locator
    • D、 Dispatcher View
    • E、 Business Delegate
    • F、 Model-View-Controller

    正确答案:B

  • 第15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 Proxy
    • B、Front Controller
    • C、Service Activator
    • D、Intercepting Filter
    • E、Business Delegate

    正确答案:B

  • 第16题：

    You work as an application developer at Certkiller .com. You are currently in theprocess of reviewing an application that was created by a fellow developer.The application that you are reviewing includes a declaration for a collection named EmployeeList， which stores Employee objects. The declaration is shown below： public class EmployeeList ： Enumerator， IEnumerable { // Class implementation } You require the ability to iterate through the EmployeeList with minimum development effort.What should you do？（）

    • A、 Utilize the switch statement
    • B、 Utilize the dowhile statement
    • C、 Utilize the foreach statement
    • D、 Utilize the if statement

    正确答案:C

  • 第17题：

    多选题
    A developer is designing a multi-tier web application and discovers a need to log each incoming clientrequest. Which two patterns， taken independently， provide a solution for this problem？（）
    A

    Transfer Object

    B

    Service Locator

    C

    Front Controller

    D

    Intercepting Filter

    E

    Business Delegate


    正确答案： E,B
    解析： 暂无解析

  • 第18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

    Flyweight

    B

    Transfer Object

    C

    Service Locator

    D

    Dispatcher View

    E

    Business Delegate

    F

    Model-View-Controller


    正确答案： A
    解析： 暂无解析

  • 第19题：

    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

     Flyweight

    B

     Transfer Object

    C

     Service Locator

    D

     Dispatcher View

    E

     Business Delegate

    F

     Model-View-Controller


    正确答案： A
    解析： 暂无解析

  • 第20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 Object

    B

     Service Locator

    C

     Front Controller

    D

     Intercepting Filter

    E

     Business Delegate

    F

     Model-View-Controller


    正确答案： F
    解析： 暂无解析

  • 第21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 Facade

    B

    Business Delegate

    C

    Data Access Object

    D

    Model-View-Controller

    E

    Chain of Responsibility


    正确答案： B
    解析： 暂无解析

  • 第22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 Object

    B

    Business Delegate and Service Locator

    C

    Front Controller and Business Delegate

    D

    Intercepting Filter and Transfer Object


    正确答案： B
    解析： 暂无解析

  • 第23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

    Command

    B

    Transfer Object

    C

    Service Locator

    D

    Session Facade

    E

    Business Delegate


    正确答案： C
    解析： 暂无解析

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