Which header or set of headers does CRTP compress? () Layer 2。 Layer 3。 Layer 4。 Layer 2 and Layer 3。 Layer 3 and Layer 4。
在有关“形”的认识中,将“形”分为两大类,即()。 现实形态与自然形态。 自然形态与人为形态。 自然形态与理念形态。 现实形态与理念形态。
Which statement describes the rule of split horizon?() Only router can split boundaries(horizons)between concentric networks.。 All distance vector protocols require fall routes that may cause momentary loops as the topology changes.。 Networks can only remain fully converged if all information about routes is sent out all active interfaces.。 Information about a route should not be sent back in the direction from which the original update came.。 Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.。
20世纪后半叶以来,大众传媒的发展非常迅速,正在崛起的媒介是() 印刷媒介。 电波声像媒介。 国际互联网为代表的媒介体系。 报纸、广播和电视媒介。
简述T细胞、B细胞的免疫功能。
从教育的目的不仅仅只是培养能适应社会的人,还要培养能促进社会与完善社会的人来看,()是儿童社会化的核心与关键。