Which action is required for a customer to use a custom ObjectServer field in the topology lookup
and Root Cause Analysis (RCA) calculations?

A.
modilythe ncmonitor.activeEvent table to include the custom ObjectServer field
B.
edit the EventGatewaySchema.cfg file to add the new field to the nco2ncp section
C.
register the ObjectServer alerts.status field with the RCA plug-in using the ncp_gwplugins.pl script
D.
no action is necessary – all ObjectServer alerts.status fields are passed to the EventGateway and
plug-ins