Which of the following terms refers to a mechanism which proves that the sender really sent a
particular message?
A.
Confidentiality
B.
Non-repudiation
C.
Authentication
D.
Integrity
Explanation:
Non-repudiation is a mechanism which proves that the sender really sent a
message. It provides an evidence of the identity of the senderand message integrity. It also
prevents a person from denying the submission or delivery of the message and the integrity of its
received message has not been altered in any way from the original.