单项选择题
NBAR supports all of these with the exception of which one？（）
A.HTTP B.IP multicast C.TCP flows with dynamically assigned port numbers D.non-UDP protocols
单项选择题 WhichofthesecorrectlyidentifiesadifferencebetweenthewayBPDUsarehandledby 802.1wand802.1D？（）
问答题 BGPRouteswithwhichcommunitywillnotadvertisetoanypeers？
问答题 OSPFv3和OSPF v2同时运行，被称为什么技术？
