Which of the following best describes the architecture of a Kerberos authentication system?

A.
An architecture with a central server that issues tickets to allow one principal(for instance, a user) to authenticate themselves to another (such as a server).

B.
A peer-to-peer system where peers authenticate themselves directly with otherpeer machines.

C.
A centralized system where all password information and authentication logic arestored on a centralized machine.

D.
A single sign-on architecture used for remote dial-in users to authenticate to adomain controller.

Explanation:
Kerberos is made up of a key distribution center (KDC), a realm of principals(users, services, applications, and devices), an authentication service, tickets,and a ticket granting service. It provides an architecture with a central serverthat issues tickets to allow one principal (for instance, a user) to authenticatethemselves to another (such as a server).