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

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QuestionQ104

Infrastructure Security

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Refer to the exhibit. An administrator connected through the console does not see debug messages when remote users log in.

Which action ensures that debug messages are displayed for remote logins?

  • A Enter the transport input ssh configuration command.
  • B Enter the terminal monitor exec command.
  • C Enter the logging console debugging configuration command.
  • D Enter the aaa new-model configuration command.
Explanation

The AAA (Authentication, Authorization, Accounting) subsystem must be enabled for debug messages related to authentication and remote login events to display. Without aaa new-model configured, the Cisco IOS AAA system is not active, so there are no AAA authentication events to debug even if a debug aaa authentication command is issued. Enabling AAA on the router initiates authentication processing for remote logins and allows associated debug output to be displayed.

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