A network administrator is asked to send a large file containing PII to a business associate.
Which of the following protocols is the BEST choice to use?

A.
SSH

B.
SFTP

C.
SMTP

D.
FTP

Explanation:
SFTP encrypts authentication and data traffic between the client and server by making use of SSH
to provide secure FTP communications. As a result, SFTP offers protection for both the
authentication traffic and the data transfer taking place between a client and server.