You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR
and NetFlow?
A.
NBAR examines data in Layers 1 and 4.
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.