Final answer:
The protocol that should be used to set up a secure network connection at a remote site to move backups is SFTP (Secure File Transfer Protocol).
Step-by-step explanation:
The protocol that you should use to set up a secure network connection at a remote site to move backups is SFTP (Secure File Transfer Protocol).
SFTP is a network protocol that provides secure file access, file transfer, and file management over a reliable data stream. It uses encryption to ensure that the data being transferred is protected from unauthorized access.
By using SFTP, you can securely transfer your backups without compromising the confidentiality and integrity of the data.