单项选择题
A default Frame Relay WAN is classified as what type of physical network?（）
A.point-to-point B.broadcast multi-access C.nonbroadcast multi-access D.nonbroadcast multipoint.broadcast point-to-multipoint
单项选择题 Refer to the exhibit.Which statement describes DLCI 17?（）
单项选择题 The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?（）
问答题 whatistheadvantageofpolicingoppositetoshaping？
