ITPEC IP April 2026 Question 41
ITPEC IP April 2026 — Question 41 of 100
One authentication grants access to multiple linked services — this convenience is the defining characteristic of single sign-on.
An identity provider authenticates the user once and supplies trusted assertions or tokens to participating services, avoiding a separate login prompt for each one.
Answer (d)
Why not others: (a) describes server-based or thin-client data handling; (b) describes redundant disk storage; (c) describes multifactor biometric authentication. None defines reuse of one login across services.
Key rule: SSO concerns sharing an authenticated session across services; MFA concerns using multiple kinds of evidence for authentication.
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