Which protocol defines port-based authentication to restrict unauthorized hosts from connecting to the LAN through publicly accessible switch ports?

Oct 18, 2020 Last Updated: May 20, 2021 No Comments
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IT Questions Bank › Category: CCNA › Which protocol defines port-based authentication to restrict unauthorized hosts from connecting to the LAN through publicly accessible switch ports?

Which protocol defines port-based authentication to restrict unauthorized hosts from connecting to the LAN through publicly accessible switch ports?

  • RADIUS
  • TACACS+
  • 802.1x
  • SSH

Explanation: 802.1x is an IEEE standard that defines port-based access control. By authenticating each client that attempts to connect to the LAN, 802.1x provides protection from unauthorized clients.

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