LFCS Question #199: Real Exam Question with Answer & Explanation

Question

Which one of the following is true about single sign-on?

Options

• ASingle sign-on is different than identity consolidation.
• BSingle sign-on requires sending the same credentials to several services.
• CSingle sign-on requires that the credentials for different services are distinct.
• DSingle sign-on requires a smartcard.

Explanation

Single sign-on (SSO) enables users to authenticate once for access to multiple independent systems, a concept distinct from identity consolidation.

Common mistakes.

• B. SSO aims to eliminate repeated credential sending by using a single authentication and subsequent tokens or assertions.
• C. SSO typically relies on a unified identity and credentials, not distinct ones, to enable seamless access.
• D. While smartcards can be used for authentication in an SSO system, they are not a universal requirement for SSO implementation.

Concept tested. Single Sign-On (SSO) definition

Reference. https://learn.microsoft.com/en-us/azure/active-directory/hybrid/whatis-single-sign-on

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