Question

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?a. authenticity of digitally signed datab. integrity of digitally signed datac. nonrepudiation of the transactiond. confidentiality of the public key

Answer 1

Answer:

c. nonrepudiation of the transaction

Explanation:

Based on the information provided within the question it can be said that the  feature of digital signatures that is required is a nonrepudiation of the transaction. This refers to an assurance that the individual in question cannot deny that they made the transaction in question. This protects both the buyer and the seller as it prevents fraud and provides proof of the transaction.