JN0-649: Enterprise Routing and Switching, Professional (JNCIP-ENT)Demo

By Juniper · Question Mode

QuestionQ2

Layer 2 Authentication and Access Control

You are implementing an 802.1X solution and must establish what happens if clients cannot reauthenticate with the RADIUS server.

In this scenario, which configuration would retain network access for a supplicant that is already authenticated?

  • A move
  • B permit
  • C deny
  • D sustain
Explanation

The sustain server-fail fallback action preserves LAN access for end devices that were already authenticated when RADIUS becomes unavailable during reauthentication, while denying unauthenticated devices.

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