A.密集波分复用DWDM B.区分服务DiffServ C.资源预留RSVP D.多协议标记交换MPLS
A.5.5Mbps B.11Mbps C.54Mbps D.100Mbps
A.51.84Mbps B.155.52Mbps C.622.08Mbps D.9.95328Gbps