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思科认证考试

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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.
正确答案:B
答案解析:
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