题目内容:
YouneedtoconfigureanewCiscoroutertobeinstalledintheCompanyVOIPnetwork.WhichthreeinterfacecommandswillconfiguretheswitchporttosupportaconnectedCiscophoneandtotrusttheCoSvaluesreceivedontheportifCDPdiscoversthataCiscophoneisattached?()A.switchportvoicevlanvlan-id
B.mlsqostrustdevicecisco-phone
C.switchportpriorityextendcos_value
D.mlsqostrustcos
E.mlsqostrustoverridecos
参考答案: