Three advantages associated with a software$-$defined network include $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

a$.$ the risk of human error is reduced, overall network support and operations costs are reduced, and new applications can be made available sooner

b$.$ The ability to support more concurrent devices, minimal infrastructure changes, and lower latency

c$.$ the ability to support exciting new applications, greater bandwidth, and improved security

d$.$ lower latency, greater bandwidth, and the ability to support more devices