Which item is not part of a Kerberos authentication implementation?
A.
Message Authentication Code
B.
Ticket granting service
C.
Authentication service
D.
Users, programs, and services
Explanation:
Message Authentication Code (MAC) is a cryptographic function and is not a key component of Kerberos. Kerberos is made up of a KDC, a realm of principals (users, services, applications, devices), an authentication service, tickets, and a ticket granting service.