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:A
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)
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.