试题详情
- 单项选择题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
- B
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