200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ1070

Automation and Programmability

In an SDN architecture, which network-node function is centralized on a controller?

  • A Creates the IP routing table
  • B Discards a message due filtering
  • C Makes a routing decision
  • D Provides protocol access for remote access devices
Explanation

SDN centralizes the control plane in the controller, while the network devices primarily handle packet forwarding in the data plane. Determining where traffic should go is a control-plane responsibility, so the routing decision is the function centralized on the controller.

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