6.2 Compare Traditional Networks with Controller-Based Networking 200-301 Practice Questions (Page 8)

Questions 36–37

1. 36application · medium

   A service provider wants to offer new customer-specific VPN services quickly. In a traditional network, this requires configuring each router along the path. The provider is evaluating controller-based networking. Which benefit is most directly realized?

   • AThe controller can provision the VPN service end-to-end by configuring all relevant devices automatically.
   • BThe provider can eliminate all network devices and rely solely on the controller.
   • CThe data plane becomes faster because the controller handles all forwarding decisions.
   • DThe network no longer needs routing protocols because the controller knows all paths.
   Reveal Solution Discussion Select an answer first
2. 37application · medium

   A network administrator needs to change the QoS policy on 20 routers. The administrator wants to ensure the change is applied identically and can be rolled back easily if issues arise. Which approach is most consistent with controller-based networking?

   • AManually configure each router via CLI and document the changes in a spreadsheet
   • BUse a script that applies the configuration but does not save a backup
   • CUse a network automation tool to push the configuration via APIs and maintain a version-controlled backup
   • DConfigure the change on one router and copy the running config to the others
   Reveal Solution Discussion Select an answer first