What does the mac packet-classify command do when applied to an interface configuration?()
A. It enables MAC ACLs to be applied to only IP packets that enter the interface.
B. It enables MAC ACLs to be applied to only non-IP packets that enter the interface.
C. It enables MAC ACLs to be applied to all packets that enter the interface.
D. It enables MAC ACLs to be used for QoS settings.
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电梯井的防护,只要在各个井口安装防护门或在井内每隔10m设一道平网,就符合防护要求。
A. 正确
B. 错误
下列哪一组植物全都有毒()。
A. 夹竹桃、萝芙木、狗牙花
B. 灰莉、夹竹桃、萝芙木
C. 夹竹桃、假连翘、萝芙木
D. 夹竹桃、红背桂、铁冬青