Question

your manager asks you to set up a secure network connection at a remote site to move over some backups which protocol would you ues?

Answer 1

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 applied SSH.
• IP, FTP, and DHCP should not be for safety purposes as they are not secure.
• SSH is a secured connection for the remote sites so here the SSH protocol should be used.

Therefore we can conclude that The protocol that should be used for establishing a secure network connection is SSH.