Which statement compares traditional networks and controller-based networks?
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Correct answer: Only controller-based networks decouple the control plane and the data plane..
Why this is the answer
The correct answer is that only controller-based networks decouple the control plane and the data plane. In traditional networks, the control plane (which makes forwarding decisions) and the data plane (which forwards traffic) are tightly integrated within each network device. Controller-based networks, such as Software-Defined Networking (SDN), centralize the control plane in a controller, allowing network devices to focus solely on data forwarding. The other options are incorrect: Traditional and controller-based networks do not both abstract policies from device configurations. This abstraction is a key feature of controller-based networks, simplifying management. Only traditional networks natively support centralized management is false. Controller-based networks are designed for centralized management. Only traditional networks offer a centralized control plane is also false. A centralized control plane is a defining characteristic of controller-based networks.
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