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Question:

Ethan requires an encrypted channel to establish a connection to a system for utilizing a command-line shell. Which protocol should he use?

A SSH.
explanation

Secure Shell (SSH) is a secure protocol that provides a secure connection to command-line shells. SSH is also capable of tunneling other protocols, which makes it a valuable tool frequently used by system administrators, security professionals, and attackers. The use of HTTPS or Transport Layer Security (TLS) for a secure command line is uncommon, while Telnet is an insecure protocol.

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