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

Question

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Options

• AThey improve information capture from the network by enabling model-driven telemetry, whereas traditional networks use SNMP for capturing logs from devices.
• BThey facilitate network management by replacing network services that run on dedicated hardware, whereas traditional networks use networking platforms to run and enforce policies.
• CThey simplify operations by providing policy enforcement across physical and virtual environments, whereas traditional network configuration occurs on the physical infrastructure.
• DThey reduce costs by enabling network functions to run on commodity servers, whereas traditional network functions run on physical servers.