Home » Cisco » 200-301 v.2 » Which statement correctly compares traditional networks and controller-based networks?
Which statement correctly compares traditional networks and controller-based networks?
A. Only controller-based networks decouple the control plane and the data plane.
B. Traditional and controller-based networks abstract policies from device configurations.
C. Only traditional networks natively support centralized management.
D. Only traditional networks offer a centralized control plane.
Correct Answer: A
Section: Automation and Programmability
Explanation/Reference:
Section: Automation and Programmability
Most traditional devices use a distributed architecture, in which each control plane is resided in a networking device. Therefore they need to communicate with each other via messages to work correctly. In contrast to distributed architecture, centralized (or controller-based) architectures centralizes the control of networking devices into one device, called SDN controller.
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