Which protocol provides security to Secure Copy?

Which protocol provides security to Secure Copy?
A . IPsec
B . SSH
C . HTTPS
D . ESP

Answer: B

Explanation:

The SCP is a network protocol, based on the BSD RCP protocol,[3] which supports file transfers between hosts on a network. SCP uses Secure Shell (SSH) for data transfer and uses the same mechanisms for authentication, thereby ensuring the authenticity and confidentiality of the data in transit.

Source: https://en.wikipedia.org/wiki/Secure_copy