A single ______________ further allows the user to be authenticated once, and multiple applications can then verify the user’s identity through an authentication service without requiring reauthentication. - PrepBharat

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A single ______________ further allows the user to be authenticated once, and multiple applications can then verify the user’s identity through an authentication service without requiring reauthentication.

a) OpenID
b) Sign-on system
c) Security Assertion Markup Language (SAML)
d) Virtual Private Database (VPD)

Answer: b
Explanation: Once the user logged in at one site, he does not have to enter his user name and password at other sites that use the same single sign-on service.

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