Which of the following encrypts the traffic on a leased line?
Explanation: SSH, or secure shell, is a secure protocol that provides a built-in encryption mechanism for establishing a secured connection between two parties, authenticating each side to the other, and passing commands and output back and forth.
Note: Virtual Private Networks (VPNs) are only secure if encrypted. The word “private” only means a given user’s virtual network is not shared with others. In reality a VPN still runs on a shared infrastructure and is not secured if not encrypted. VPNs are used over a connection you already have. That might be a leased line. It might be an ADSL connection. It could be a mobile network connection.
Therefore answer “SSH” is still better than the answer “VPN”.
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