To guarantee that the individual sending a document really is who he or she claims to be,which of the following should be done?
A) Add a watermark.
B) Add a digital signature.
C) Add a header.
D) Check the document for accessibility.

Question

Quizplus · Accepted Answer

Adding a digital signature ensures that the document has not been tampered with and confirms the identity of the sender using encryption technology. Watermarks and headers do not provide verification of identity, and checking the document for accessibility is unrelated to security.

To Guarantee That the Individual Sending a Document Really Is