Secure Shell (SSH) is a protocol used to securely access remote devices over an unsecured network. It provides encrypted command-line access and is a lightweight and secure method of remote administration.
A. Site-to-site VPN connects entire networks, not just a single host.
B. Telnet is not secure; it transmits data (including credentials) in plaintext.
C. Console access is direct via serial cable, not remote.
???? Reference:
CompTIA Network+ N10-009 Official Objectives: 2.6 – Configure and troubleshoot remote access.
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