Question: A digital signature is required </br> (i) to tie an electronic message to the sender’s identity </br> (ii)for non repudiation of communication by a sender </br> (iii) to prove that a message was sent by the sender in a court of law </br> (iv) in all e-mail transactions </br>

MCQ: A digital signature is required </br> (i) to tie an electronic message to the sender’s identity </br> (ii)for non repudiation of communication by a sender </br> (iii) to prove that a message was sent by the sender in a court of law </br> (iv) in all e-mail transactions </br>

• A. i and ii
• B. i, ii, iii
• C. i, ii, iii, iv
• D. ii, iii, iv