Which protocol provides secure remote command-line access to a network device over an unsecured network?
SSH
HTTP
Telnet
TFTP
Secure Shell (SSH) provides secure remote command-line access by encrypting the session data between the client and the network device, ensuring confidentiality and integrity. Telnet transmits data in plaintext without encryption, making it vulnerable to interception. HTTP is used for web-based management but does not secure the transmitted data, and TFTP is a simple file transfer protocol without security features.
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