Which approach best enables single sign-on across domains by using a recognized open method for exchanging identity data between an authority and a relying service?
A local account database that manages credentials in a single organizational repository
A JSON-based token approach reliant on a different token architecture for identity exchange
A solution that employs an XML token to pass user claims across trusted environments
A container technique assigning temporary credentials scoped to microservices deployments
The correct choice uses Extensible Markup Language (XML) tokens to carry identity statements between an authority and a consuming service, enabling one login across multiple systems. One incorrect option relies on local accounts lacking any trust arrangement for external sign-on. Another focuses on a JSON-based token method, which is not the open approach based on XML. The container-based answer describes temporary credentials for microservices, not an inter-domain authentication strategy.
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What is an XML token in the context of single sign-on (SSO)?
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What is the purpose of SAML in enabling single sign-on?
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