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Which of the following is used for enabling cross-domain connectivity for Silverlight applications to access network resources?

  1. crossdomain.xml

  2. Web.config

  3. App.xaml

  4. clientaccesspolicy.xml
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D Correct answer
Explanation

Silverlight uses policy files to enable cross-domain network access. While crossdomain.xml is supported (for Flash compatibility), the primary and more flexible Silverlight-specific policy file is clientaccesspolicy.xml. Web.config is for ASP.NET configuration, and App.xaml is for Silverlight application settings - neither handles cross-domain policy.

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