A wireless engineer is configuring LWA using ISE. The customer is a startup company and requested the wireless users to authenticate against a directory, butLDA...

A wireless engineer is configuring LWA using ISE. The customer is a startup company and requested the wireless users to authenticate against a directory, butLDAP is unavailable.
Which solution should be proposed in order to have the same security and user experience?

A. Use SAML. B. Use the internal database of the RADIUS server. C. Use a preshared key on the corporate WLAN. D. Use Novell eDirectory.