You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand 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.