YouaretheCiscoNetworkDesignerinCisco.com.WhichstatementiscorrectregardingNBARandNetFlow?()

A.NBARexaminesdatainLayers1and4.

B.NBARexaminesdatainLayers3and4.

C.NetFlowexaminesdatainLayers3and4.

D.NBARexaminesdatainLayers2through4.