A company with a small IT staff needs to be able to deploy applications quickly.
How can software-defined networking (SDN) help this company?
A. by allowing IT to deploy policies for both traditional and OpenFlow-enabled switches from a centralized-controller
B. by providing a programmable network that simplifies network provisioning
C. by providing a common set of APIs for all network switches that support open standard protocols
D. by eliminating the need to upgrade switch software to support new applications