How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? ()
A. NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.
B. NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.
C. NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.
D. NetFlow can be configured to identify voice and video traffic flows and place them into a lowlatency queue for expedited processing.
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调节对象的放大系数K是对象自平衡能力的度量,K越大,对象的自平衡能力越强。
A. 正确
B. 错误
不间断电源系统UPS是防止电源()、电源电压波动以及抑制噪声()比较完善的设备。
婴幼儿主被动操训练,可以锻炼骨骼肌肉和身体活动的协调性、灵活性、身体的()。
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B. 活动动力
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A. 正确
B. 错误