Which of the following statements pertaining to Kerberos is TRUE?

A.
Kerberos does not address availability

B.
Kerberos does not address integrity

C.
Kerberos does not make use of Symmetric Keys

D.
Kerberos cannot address confidentiality of information

Explanation:
Kerberos is a trusted, third party authentication protocol that was developed under Project Athena at MIT. In
Greek mythology, Kerberos is a three-headed dog that guards the entrance to the Underworld. Using
symmetric key cryptography, Kerberos authenticates clients to other entities on a network of which a client
requires services.
Kerberos addresses the confidentiality and integrity of information. It does not address availability.
Incorrect Answers:
B: Kerberos does address integrity.
C: Kerberos does make use of Symmetric Keys.
D: Kerberos does address confidentiality of information.

Krutz, Ronald L. and Russell Dean Vines, The CISSP and CAP Prep Guide: Mastering CISSP and CAP, Wiley
Publishing, Indianapolis, 2007, p. 78