One of the earliest and most widely used services is _________.
A) Kerberos
B) FIM
C) PKI
D) X.509

Question

Quizplus · Accepted Answer

Kerberos is one of the earliest and most widely used authentication services. It provides secure authentication over an insecure network by using tickets to verify the identity of users and services. FIM (Forefront Identity Manager), PKI (Public Key Infrastructure), and X.509 are not authentication services like Kerberos.

One of the Earliest and Most Widely Used Services Is