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QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）
- A、 reference to network ability to provide improved service to all network traffic
- B、 reduction in delay， jitter， and packet loss
- C、 equal handling of all packets
- D、 support for real-time applications
- E、 best-effort actions
参考答案
更多 “QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）A、 reference to network ability to provide improved service to all network trafficB、 reduction in delay， jitter， and packet lossC、 equal handling of all packetsD、 support for real-time applicationsE、 best-effort actions” 相关考题
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问答题QoS是什么？为什么需要QoS？
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