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UGC NET CSE | June 2009 | Part 2 | Question: 48

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After sending a message, the sender should not be able to, at a later date, deny having sent the message, is referred to as :

  1. Authenticity                         
  2. Non-Repudiability    
  3. Auditability              
  4. Repudiability
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Answer- B

Nonrepudiation is the assurance that someone cannot deny something. Typically, nonrepudiation refers to the ability to ensure that a party to a contract or a communication cannot deny the authenticity of their signature on a document or the sending of a message that they originated.

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