A customer purchases an item from an e-commerce site. The e-commerce site must maintain proof that the data exchange took place between the site and the customer. Which feature of digital signatures is required?

IT Questions BankCategory: CCNA CyberOpsA customer purchases an item from an e-commerce site. The e-commerce site must maintain proof that the data exchange took place between the site and the customer. Which feature of digital signatures is required?
A customer purchases an item from an e-commerce site. The e-commerce site must maintain proof that the data exchange took place between the site and the customer. Which feature of digital signatures is required? 1Administrator Staff asked 5 months ago
A customer purchases an item from an e-commerce site. The e-commerce site must maintain proof that the data exchange took place between the site and the customer. Which feature of digital signatures is required?

  • nonrepudiation of the transaction
  • integrity of digitally signed data
  • authenticity of digitally signed data
  • confidentiality of the public key

Explanation: Digital signatures provide three basic security services:
Authenticity of digitally signed data – Digital signatures authenticate a source, proving that a certain party has seen and signed the data in question.
Integrity of digitally signed data – Digital signatures guarantee that the data has not changed from the time it was signed.
Nonrepudiation of the transaction – The recipient can take the data to a third party, and the third party accepts the digital signature as a proof that this data exchange did take place. The signing party cannot repudiate that it has signed the data.

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