When using 802.1X authentication, what device controls physical access to the network, based on the authentication status of the client?

Last Updated: May 23, 2021
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When using 802.1X authentication, what device controls physical access to the network, based on the authentication status of the client?

  • the switch that the client is connected to
  • the router that is serving as the default gateway
  • the authentication server
  • the supplicant

Explanation: The devices involved in the 802.1X authentication process are as follows:
The supplicant, which is the client that is requesting network access
The authenticator, which is the switch that the client is connecting and that is actually controlling physical network access
The authentication server, which performs the actual authentication

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