A.發(fā)送并接收BPDU,僅當(dāng)收到自己發(fā)出的BPDU報(bào)文后,才會(huì)將端口disable掉 B.不發(fā)送但監(jiān)聽(tīng)BPDU,不論收到誰(shuí)發(fā)出的BPDU,都會(huì)將接口disable掉 C.發(fā)送并接收BPDU,不論收到誰(shuí)發(fā)出的BPDU,都會(huì)將接口disable掉
A.0 B.1 C.32767 D.32768
A.既不發(fā)送也不接收BPDU B.接受并發(fā)送BPDU;不發(fā)送 C.但監(jiān)聽(tīng)BPDU,一旦收到BPDU后,就恢復(fù)參與生成樹(shù)的計(jì)算 D.配置了spanning-treebpdufilter的接口,可以防止環(huán)路