What are Built-in providers in ASP.NET 2.0? Choose correct options from following list.
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Membership
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Webservice
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Role
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SiteMap
ASP.NET 2.0 introduced built-in providers for Membership (user management), Role (role-based security), and SiteMap (site navigation). These providers offer a consistent API for common tasks without requiring developers to build from scratch. Webservice is not a provider - it's a communication technology.
ASP.NET 2.0 introduced the provider model, and it ships several built-in providers out of the box: the Membership provider (user authentication/credentials), the Role provider (role management, e.g. AspNetSqlRoleProvider), and the SiteMap provider (drives the SiteMapPath/Menu/TreeView navigation controls from web.sitemap). 'Webservice' is not one of the standard ASP.NET 2.0 provider categories — there is no built-in 'WebService provider'; web services are a separate ASMX/WCF concern, not part of the Membership/Role/Profile/SiteMap/WebParts provider family. So the three marked options are correct and Webservice is rightly excluded.