Which step is required by Cisco pxGrid providers to expose functionality to consumer applications that are written in Python?
A. Look up the existing service using the /pxgrid/control/ServiceLookup endpoint.
B. Register the service using the /pxgrid/control/ServiceRegister endpoint.
C. Configure the service using the /pxgrid/ise/config/profiler endpoint.
D. Expose the service using the /pxgrid/ise/pubsub endpoint.
