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

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QuestionQ211

Infrastructure Security

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Refer to the exhibit. An administrator needs to harden a router, but fails to successfully test SSH access to the router. Which action resolves the problem?

  • A SSH must be allowed with the transport output ssh command.
  • B Configure enable secret to log in to the device.
  • C SSH syntax must be ssh -l user ip to log in to the remote device.
  • D Configure SSH on the remote device to log in using SSH.
Explanation

Cisco IOS SSH client authentication requires a remote username when no client username is otherwise available. The command ssh -l user ip supplies that identity; the configured local account can then be authenticated by the SSH server. The VTY lines already permit SSH with local authentication, and RSA keys have already been generated.

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