300-365 · Question #111
Which two components comprise the NetFlow architecture? (Choose two.)
The correct answer is A. collector D. exporter. The NetFlow architecture is built around two core components: an exporter that generates and sends flow records, and a collector that receives and stores that data for analysis.
Question
Which two components comprise the NetFlow architecture? (Choose two.)
Options
- Acollector
- Bgateway
- Cevent correlator
- Dexporter
- Eapplication transcoder
How the community answered
(31 responses)- A87% (27)
- B3% (1)
- C6% (2)
- E3% (1)
Why each option
The NetFlow architecture is built around two core components: an exporter that generates and sends flow records, and a collector that receives and stores that data for analysis.
The collector is a server or application that receives UDP flow records sent by exporters, stores them, and makes them available for reporting and analysis - it is one of the two fundamental building blocks of NetFlow.
A gateway is a general network routing or translation device and is not a defined component within the NetFlow architecture.
An event correlator is associated with SIEM or security analytics platforms, not the core NetFlow data collection and export framework.
The exporter is the network device (router or switch) that monitors traffic, aggregates packets into flows based on defined keys, and transmits flow records to the collector - it is the other core NetFlow component.
An application transcoder is a media processing function unrelated to the NetFlow flow monitoring and export architecture.
Concept tested: NetFlow architecture exporter and collector components
Source: https://www.cisco.com/c/en/us/products/ios-nx-os-software/ios-netflow/index.html
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