单项选择题
If no metric is specified for the routes being redistributed i nto IS - IS, what metric value is assigned to the routes?（）
A. 20 B. 10 C. 0 D. 1
单项选择题 Refer to the exhibit. Which statement is true? （）
单项选择题 Refer to the exhibit. What statement is true base d upon the configuration in the exhibit? （）
多项选择题 Refer to the exhibit. Which two conclusions can be drawn from the debug ip igmp output?（）
