Which of the following authorization models uses a set of protocols designed for passing the authorization and authentication information of a user between different security domains?
Federated identity management allows a user's identity, authenticated in one security domain, to be accepted in other security domains. It often employs protocols like SAML and OpenID, enabling Single Sign-On (SSO) capabilities across different organizations or services. Discretionary Access Control (DAC) gives the owner of the resource the control to decide who has access. Mandatory Access Control (MAC) is a model where access is granted based on information clearance and classifications, and is not about passing user information across security domains. Role-Based Access Control (RBAC) assigns permissions to roles instead of individual users, which isn't specifically designed for sharing authentication and authorization data across different domains.
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What are SAML and OpenID?
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What is Single Sign-On (SSO)?
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How do the different access control models (DAC, MAC, RBAC) compare to federated identity management?