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CISSP study material · question 311 of 500

A RADIUS server answers an Access-Request with an Access-Challenge. Which three things does the client include when it resubmits? Choose three.

  1. The user's response, encrypted, in place of the password attribute.
  2. The original request's authenticator, unchanged.
  3. A new request identifier.
  4. The State attribute from the challenge, if one was present.
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Answer: A. The user's response, encrypted, in place of the password attribute.
D. The State attribute from the challenge, if one was present.
C. A new request identifier.

After a challenge the client resubmits the original request with a new identifier, the response encrypted in place of the User-Password attribute, and the State attribute from the challenge.

Source: RFC 2865 (IETF) — RFC 2865 > 2.1 Challenge/Response

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