Multiple choice Which of the following is/are incorrect about Kerberos protocol? It is used to provide mutual authentication. Kerberos is build on symmetric key cryptography. Kerberos does not use public-key cryptography. Kerberos protocol messages are protected against eavesdropping and replay attacks. None of the above Reveal answer Fill a bubble to check yourself C Correct answer Explanation This is incorrect as Kerberos optionally may use public-key cryptography during certain phases of authentication.