642-591  Exam

Exam # of questions Description  Update
642-591 50 Implementing Cisco NAC Appliance... 02/15/2011
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642-591 - Exam Information
  • Description: Implementing Cisco NAC Appliance
  • Passing Score: 0%
  • Practice Test - Number of questions: 50 questions
  • Simulation Test - Number of questions: 50 questions
  • Simulation Test Duration: 120 minutes
  • Has explanations: No

Question of the day

In an edge deployment of an in-band virtual-gateway Cisco NAC Appliance solution, how does the Cisco NAS ensure that authenticated client traffic arrives at the correct default gateway?

Answer(s)

  1. - VLAN trunks are used to aggregate the traffic from the managed subnets to the Cisco NASbefore being forwarded to their respective gateways on the Layer 3 switch or router.
  2. - Managed subnets ensure that devices on different untrusted VLANs arrive at the correctdefault gateways on the trusted side.
  3. - Cisco NAS interfaces are connected to trunked ports to provide VLAN passthrough to thecorrect gateway.
  4. - After authentication the Cisco NAA, using its cached IP addresses, supplies the IP address ofthe correct gateway to the Cisco NAS.
Correct Answer

- Cisco NAS interfaces are connected to trunked ports to provide VLAN passthrough to thecorrect gateway.