Answer:
Kerberos is a single sign-on that uses KDCs and TGS.
Step-by-step explanation:
Kerberos is a sigle sign-on system that provides authentication to other applications in a particular with the use of tickets unlike other systems that request for passwords. In keberos, components like KDC which is known as the database center for the keys consist of the authentication and ticket granting service (TGS). While the TGS as the name implies provides the tickets which contains useful information of the client including the client’s ID, address, validity period of the tickets and session key, the authentication service simply authenticates the client.