An IT administrator wants to improve the user experience during the login process by reducing unnecessary redirects and ensuring users receive immediate feedback on credential validity. Which approach should the administrator implement?
A.
Configure the NAD to handle more simultaneous connections.
B.
Increase the timeout period for RADIUS communication.
C.
Enable the pre-authentication check in the ClearPass login process.
Without Pre-Authentication , a user might submit incorrect credentials, be redirected to the controller, have the controller send a RADIUS request, and then be redirected back to the portal with an error message. This "ping-pong" effect is slow and confusing. Enabling the pre-authentication check allows ClearPass to validate the credentials immediately while the user is still on the web page, providing instant feedback and eliminating the extra redirects for failed attempts.
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