Discussion: What is Kerberos?

I need an explanation for this Computer Science question to help me study.

Part1: What is Kerberos? Briefly describe how it works.

Discussion Length (word count): At least 400 words (not including direct quotes).

Part2: You are also required to post a response with facts and examples to a minimum of 2 other student in the class. (80-100 Words per response)

This assignment should be in APA format and have to include at least two references (Use two or more APA in-text citation). By submitting this discussion, you agree for Plagiarism check with all the existing internal student papers and outside external references.