Kerberos is a computer network authentication protocol that allows individuals communicating over a non-secure network t

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Kerberos is a computer network authentication protocol that allows individuals communicating over a non-secure network to prove their identity to one another in a secure manner. Which of the following statements are true about the Kerberos authentication scheme?
Each correct answer represents a complete solution. Choose all that apply.

A. Kerberos requires continuous availability of a central server.
B. Kerberos builds on Asymmetric key cryptography and requires a trusted third party.
C. Dictionary and brute force attacks on the initial TGS response to a client may reveal the subject's passwords.
D. Kerberos requires the clocks of the involved hosts to be synchronized.