A security analyst is working on a project team responsible for the integration of an enterprise
SSO solution. The SSO solution requires the use of an open standard for the exchange of
authentication and authorization across numerous web based applications. Which of the following
solutions is most appropriate for the analyst to recommend in this scenario?

A.
SAML

B.
XTACACS

C.
RADIUS

D.
TACACS+

E.
Secure LDAP