Posted by: Pdfprep
Post Date: November 23, 2020
Which statement is correct regarding NBAR and NetFlow?
A . NetFlow uses five key fields for the flow.
B . NBAR examines data in Layers 3 and 4.
C . NetFlow examines data in Layers 3 and 4.
D . NBAR examines data in Layers 2 through 4.
E . NetFlow examines data in Layers 2 through 4.
Answer: E
Explanation:
NetFlow is a passive technology that monitors network activity, typically from OSI Layers 2 through 4.
NBAR is an active technology that can be used to validate or reclassify ToS marking based on packet inspection in Layers 3 through 7.
Leave a Reply