问答题
SW5/6为透明模式,SW1为ser模式,SW2/3/4为client模式,问:如果在SW5上添加一个VLAN,如何使全网学习到这个VLAN?
A.Only UplinkFast and BackboneFast are specified in 802.1w;PortFast must be manually configured. B.Only PortFast is specified in 802.1w;UplinkFast and BackboneFast must be manually configured. C.None of the proprietary Cisco enhancements are specified in 802.1w. D.PortFast,UplinkFast,and BackboneFast are specified in 802.1w.