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System and Network Security Introduction

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Multiple Choice

Which of the following is incorrect about X.509 Authentication Service?

  1. It is used to construct a public key certificate.
  2. It also defines authentication protocols.
  3. In this service, the algorithms are not standardised, but RSA recommended.
  4. It uses public-key crypto and digital signatures.
  5. It handles double encryption, non-standard mode of use, session keys, password attacks.
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