Which of the following concepts is enforced by certifying that email communications have been sent by who the message says it has been sent by?
A. Key escrow
B. Non-repudiation
C. Multifactor authentication
D. Hashing
CompTIA exam questions
Which of the following concepts is enforced by certifying that email communications have been sent by who the message says it has been sent by?
A. Key escrow
B. Non-repudiation
C. Multifactor authentication
D. Hashing