An engineer is describing QoS to a client. Which two facts apply to traffic policing? (Choose two)

IT Questions BankCategory: CCNPAn engineer is describing QoS to a client. Which two facts apply to traffic policing? (Choose two)
An engineer is describing QoS to a client. Which two facts apply to traffic policing? (Choose two) 1ITExamAnswers Staff asked 1 month ago
Question:
An engineer is describing QoS to a client. Which two facts apply to traffic policing? (Choose two)

  • A. Policing adapts to network congestion by queuing excess traffic
  • B. Policing should be performed as close to the destination as possible
  • C. Policing drops traffic that exceeds the defined rate
  • D. Policing typically delays the traffic, rather than drops it
  • E. Policing should be performed as close to the source as possible

Explanation: Traffic policing propagates bursts. When the traffic rate reaches the configured maximum rate (or committed information rate), excess traffic is dropped (or remarked). The result is an output rate that appears as a saw-tooth with crests and troughs.
Unlike traffic shaping, traffic policing does not cause delay.
Classification (which includes traffic policing, traffic shaping and queuing techniques) should take place at the network edge. It is recommended that classification occur as close to the source of the traffic as possible.
Also according to this Cisco link, “policing traffic as close to the source as possible”.

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