Which of the Following Is a True Statement About Protecting

Multiple Choice

Which of the following is a true statement about protecting the confidentiality of client-related e-mail?

A) Encryption keys prevent viruses or Trojan horses from being attached to e-mail messages.
B) Digital credentials utilize biometric means, such as thumbprint, to verify the identity of the sender.
C) Public key infrastructure (PKI) uses unique codes to confirm the identity of those sending e-mails.
D) Viruses may be transmitted by e-mail messages, so each e-mail should be separately scanned prior to being read.