【单选题】
A <{p}>Rapid PVST+ requires the use of LACP fast rate to support on EtherChannel<{br/}><{/p}>
B <{p}>Trunk ports are not considered as edge ports unless explicitly configured to<{br/}><{/p}>
C <{p}>The mac aging time needs to be set to a value shorter than max age + forward delay<{br/}><{/p}>
D <{p}>PortFast is not enable globally on the switches<{br/}><{/p}>
查看更多
