Your manager asks you to set up a secure network connection at a remote site to move over some backups which protocol would you use?
Answer: The protocol that should be used for establishing a secure network connection is SSH.
The following information is to be considered:
SFTP is secure also it is a protocol for file transferring that applies SSH.
IP, FTP, and DHCP should not be used for safety purposes as they are not secure.
SSH is a secure connection for remote sites, so the SSH protocol should be used here.
Therefore we can conclude that The protocol that should be used for establishing a secure network connection is SSH.