Which of the following is an example of a "new" media?

The organization desires to ensure integrity, authenticity, and nonrepudiation of emails for sensitive communications between security administration and network administration personnel through the use of digitally signed emails. Which of the following is a valid step in signing an email with keys from a digital certificate?

A. The sender encrypts the email using the sender's public key. B. The sender creates a message digest of the email and attachments using the sender's private key. C. The sender creates a message digest of the email and attachments using a common hashing algorithm, such as DSA. D. The sender encrypts the message digest using the sender's public key.

In the U.S. federalist system, the two "sovereigns" are the ________

A) president and vice-president B) president and U.S. Senate C) president and U.S. House of Representatives D) state and federal governments