Unit 6 - User Authentication and Kerberos 6.1
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Unit 6 - User Authentication and Kerberos 6.1

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Questions and Answers

What is the primary function of the Key Distribution Center (KDC) in a network encryption system?

  • Assigning secret keys to authorized users (correct)
  • Encrypting all data transmitted through the network
  • Generating new biometric data for users
  • Providing physical access control to the network

    • In a network encryption system, what does the Key Distribution Center (KDC) do after verifying the user's identity?

  • Reveals the user's secret encryption key
  • Creates session keys and securely transmits them (correct)
  • Sends biometric data for authentication
  • Shares all network data with the user

    • Which cryptographic system relies on the Key Distribution Center (KDC) for secure distribution of encryption keys?

  • MD5
  • Kerberos (correct)
  • RSA
  • AES

    • What is the primary purpose of the Kerberos protocol?

    <p>Provide strong authentication for client/server applications</p> Signup and view all the answers

    Why can't a user change their fingerprint or iris if biometric data is hacked?

    <p>Biometric data is unique and cannot be modified</p> Signup and view all the answers

    What role does the Key Distribution Center (KDC) play in preventing unauthorized access to transmitted data?

    <p>Authenticates users in the network</p> Signup and view all the answers

    How does the Key Distribution Center (KDC) enhance communication security in a network encryption system?

    <p>By securely distributing encryption keys</p> Signup and view all the answers

    What differentiates the Key Distribution Center (KDC) in a cryptographic system like Kerberos from a regular server?

    <p>KDC authenticates users and distributes keys securely</p> Signup and view all the answers

    What makes Kerberos a robust network authentication protocol?

    <p>Its provision of strong authentication for client/server applications.</p> Signup and view all the answers

    What makes biometric data such as fingerprints or iris patterns difficult for users to change in case of a security breach?

    <p>Unique nature of biometric data, making modifications impossible.</p> Signup and view all the answers

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