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由于802.1p优先级（CoS字段）包含在802.1q标签中，所以只有“tagged”包才会有802.1p优先级。
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更多 “由于802.1p优先级（CoS字段）包含在802.1q标签中，所以只有“tagged”包才会有802.1p优先级。” 相关考题
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单选题The voice VLAN feature has been enabled on a new Company Catalyst switch port. What is the effect of this？ （）A
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考题
填空题802.1P一共定义了（）个优先级？
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