300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ461

VPN Technologies

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Refer to the exhibit. What is causing the user authentication to be rejected?

  • A The TACACS+ server expects ג€userג€, but the NT client sends ג€domain/userג€.
  • B The TACACS+ server refuses the user because the user is set up for CHAP.
  • C The TACACS+ server is down, and the user is in the local database.
  • D The TACACS+ server is down, and the user is not in the local database.
Explanation

The TACACS+ server is unreachable, so AAA falls back to local authentication. Local authentication returns FAIL, indicating that the authenticating user is not available in the local database; consequently, CHAP cannot validate the response.

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