Which component of the SteelCentral NPM architecture uses SNMP polling to retrieve Hostnames and interface information from flow reporting devices?

A. AppResponse

B. Flow Gateway

C. Packet Analyzer

D. NetProfiler

Reference: https://support.riverbed.com/bin/support/static/tku8mot0iaoa67qben06tukj4h/html/afhi95mcqoa01gcejeafeknach/sc_may2016_dg_html/index.html#page/NPM%20Deployment%20Guide/additional_integration.09.2.html