CCNA题库每日一新题是以v104.4为基础,发布v104.4中未包含的,但是在近期考试中出现的考场真题,我们会第一时间把新题呈现给大家,让CCNA旅程更加平坦一些,同时正在备考的同学要加油了,站在巨人的肩膀上,我们会看的更高! Which statement describes the rule of split horizon? A Only router can split boundaries(horizons)between concentric networks. B All distance vector protocols require fall routes that may cause momentary loops as the topology changes. C Networks can only remain fully converged if all information about routes is sent out all active interfaces. D Information about a route should not be sent back in the direction from which the original update came. E Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary. 答案:D |