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 busine

题目

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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相似问题和答案

第1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, because the business and resourcetiers are distributed, the application needs to minimize the inter-tier network traffic related to servicing clientrequests. 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

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 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3题:

An application is using WebLogic JMS Store and Forward to forward messages from a local JMS queue a remote WebLogic JMS destination. You need to determine if the messages are being  sent from the local Weblogic Server. Where do you find information and metrics about Store and Forward components in the WebLogic Admin Console?()

  • A、JMS Persistent Store
  • B、JMS Server  
  • C、JMS Distributed Destination
  • D、JMS Store and Forward  
  • E、Automatic Service Migration

正确答案:A

第4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5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6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

第7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8题:

You are designing a test plan for an existing Windows Azure .NET 4 application.  Method calls return incorrect results for certain input parameters.   You need to recommend an approach for debugging the method calls.  What should you recommend?()  

  • A、 Attach the remote debugger to the application.
  • B、 Use the Microsoft Visual Studio 2010 Test Manager tool.
  • C、 Use IntelliTrace to collect only eventsfrom the application.
  • D、 Use IntelliTrace to collect events and call information from the application.

正确答案:D

第9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10题:

You are a database administrator for your company. The company uses a vendor company’s application that is based on a proprietary database. You query data from the application database and import the data into a SQL Server 2005 database. The application vendor provides you with a new OLE DB driver to be used when querying the application database. Company policy prohibits connections between the SQL Server database and the application database, except when querying this data. You need to provide a way to query data from the application database. What should you?()

  • A、Configure a Linked Server connection to the application database.
  • B、Write a query that uses an OPENDATASOURCE command.
  • C、Write a query that uses an OPENQUERY command.
  • D、Configure a Remote Server connection to the application database.

正确答案:B

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