BAIT1103 Tutorial 3

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BAIT1103 Tutorial 3

  1. 1. BAIT1103 INTERNET SECURITY Tutorial 3 1. What problems were Kerberos designed to address? 2. What are the three threats associated with user authentication over a network or Internet? 3. What entities constitute a full-service Kerberos environment? 4. In the context of Kerberos, what is a realm? 5. What is the purpose of the X.509 standard? 6. Give reasons why is an X.509 certificate revoked? Past Year Questions 1. What is Kerberos? State THREE (3) problems which would be encountered in Kerberos version 4. 2. Explain the term Certificate Authority (CA). 3. Kerberos is an authentication service designed for use in a distributed environment. With the aid of a diagram, describe how the Kerberos operates.

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