<P> The client receives the ticket and submits it to the appropriate server . </P> <P> The server can verify the submitted ticket and grant access to user submitting it . </P> <P> Security systems using KDCs include Kerberos . (Actually, Kerberos partitions KDC functionality between two different agents: the AS (Authentication Server) and the TGS (Ticket Granting Service).) </P>

Which authentication method uses a key distribution center (kcd)