8 thoughts on “Which of the following encrypts the traffic on a leased line?

  1. D is correct. SSH only encrypts management traffic. VPN encrypts all and is for that, the best answer

  2. is the kind of stupid question i hope i won’t have on my exam. the answer should be VPN, god knows what some idiot from cisco may think

  3. I agree, the correct answer is B. 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.

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