Question

Joe sends a scathing e-mail to his boss regarding increased work hours. Joe tries to deny sending the e-mail, but is unable to due to the use of digital signatures. This is an example of ________.
A. confidentiality
B. integrity
C. availability
D. authentication
E. nonrepudiation

Answer 1

Answer:

The answer is E, which is Nonrepudiation

Explanation:

Nonrepudiation is the confidence attached to the fact that someone cannot deny something. It directs 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.