A network engineer is designing a solution that will monitor IP traffic through corporate routers with the ability to export the flows to a collection engine without using network probes. What technology meets this requirement?

A network engineer is designing a solution that will monitor IP traffic through corporate routers with the ability to export the flows to a collection engine without using network probes. What technology meets this requirement?
A . RMON
B . NetFlow
C . SNMP
D . Syslog
E . IP SLA

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Answer: B