Fill in the blank: An Endpoint identity agent uses a ___________ for user authentication.

An Endpoint identity agent uses a username/password or Kerberos ticket for user authentication3, p. 28. An Endpoint identity agent is a lightweight client installed on endpoint computers that communicates with Identity Awareness gateways and provides reliable identity information. An Endpoint identity agent does not use a shared secret, a token, or a certificate for user authentication. References: Check Point CCSA - R81: Practice Test & Explanation, [Check Point Identity Awareness Administration Guide R81]