An organization wants to unify sign-on for employees across multiple third-party services while using a single authority to confirm user credentials. Which solution satisfies this requirement most effectively?
Each business unit storing credentials in its own database, supplemented by periodic manual synchronization
A central service that provides tokens and trust relationships for multiple shared platforms
A stand-alone certificate authority that creates separate digital identities for each external service
Local hardware-based security appliances positioned at each remote service location
A central authority that issues tokens and establishes trust with various external services performs the role of verifying user credentials once and sharing the result across many platforms. It reduces the need for separate user management at each location, lessening complexity. Some of the other choices suggest local or manual methods that multiply overhead and do not guarantee consistent credential validation across different providers.
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What is a central service that provides tokens and trust relationships?
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