If a company wants to protect fax data while it is in transmission, which of the following are valid mechanisms?

A.
PGP and MIME

B.
PEM and TSL

C.
Data link encryption or fax encryptor

D.
Data link encryption and PKI

Explanation:
This is the best answer for this question. The other components could
provide different levels of protection, but a fax encryptor (which is a data link
encryptor) provides a higher level of protection across the board because everything
is encrypted. Even if a user does not choose to encrypt something, it will be
encrypted anyway before it is sent out the fax server.