What is a benefit software-defined networks when compared to traditional network?

What is a benefit software-defined networks when compared to traditional network?
A . They improve information capture from the network by enabling model-driven telemetry, whereas traditional networks use SNMP for capturing logs from devices.
B. They facilitate network management by replacing network services that run on dedicated hardware, whereas traditional networks use networking platforms to run and enforce policies.
C. They simplify operations by providing policy enforcement across physical and virtual environments, whereas traditional network configuration occurs on the physical infrastructure.
D. They reduce costs by enabling network functions to run on commodity servers, whereas traditional network functions run on physical servers.

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Answer: B