单项选择题
If no metric is specified for the routes being redistributed into IS-IS， what metric value is assigned to the routes？（）
A.0 B.1 C.10 D.20
单项选择题 Refer to the exhibit. Which statement is true about the 6.6.6.0/24 prefix？（）
单项选择题 Refer to the exhibit. Which statement is true？（）
多项选择题 Whichtwostatementsaretrueaboutnetworkvoicetraffic？（Choosetwo.）（）
