How can a user limit the Active Event List to show alerts related to SNMP traps?

A.
create a filter that just shows alerts from the mttrapd probe

B.
create a filter to identify the network devices and use it in a view

C.
create a lookup table that has a list of the network devices and insert it into the SNMP Trap probe
rules

D.
create an Impact policy that pulls the network assets from a CMDB and enrich a field in the
ObjectServer