A.优先队列调度(PQ) B.最小带宽预留(Bandwith) C.权重随机提前检测丢包策略(WRED) D.尾丢弃策略(Queue-Limit)
A.OSPF路由协议 B.RIP路由协议 C.静态路由协议 D.BGP路由协议