You are designing an ASP.NET MVC 2 Web application. The Web application will display information from remote third-party Windows Communication Foundation (WCF) services on each page. You have the following requirements:

Retrieve information from the WCF services.

Specify a timeout period while retrieving information from third-

party services.

Cache responses from the third-party services for retrieval by

multiple users. You need to recommend an approach for retrieving information from the WCF service. What should you recommend?

Question

You are designing an ASP.NET MVC 2 Web application. The Web application will display information from remote third-party Windows Communication Foundation (WCF) services on each page. You have the following requirements:

Retrieve information from the WCF services.
Specify a timeout period while retrieving information from third-

party services.

Cache responses from the third-party services for retrieval by

multiple users. You need to recommend an approach for retrieving information from the WCF service. What should you recommend?

Accepted Answer

A. Use an asynchronous method.

Answer

B. Implement the IHttpAsyncHandler interface on the models for the views.

Answer

C. Implement the IAsyncResult interface on the models for the views.

Answer

D. Use AJAX to asynchronously call the third-party services and display information.

You are designing an ASP.NET MVC 2 Web application. The Web application will display information from remote third-party Windows Communication Foundation (WCF) services on each page. You have the…

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