An active cell can only be found in a Word table

Which e-mail setting makes it easier for e-mail recipients to see who a message is from?

A) Field B) Emoticon C) Display name D) CAPTCHA

Bryan has a set of sensitive documents that he would like to protect from public disclosure. He would like to use a control that, if the documents appear in a public forum, may be used to trace the leak back to the person who was originally given the document copy. What security control would best fulfill this purpose?

A. Digital signature B. Document staining C. Hashing D. Watermarking