单项选择题
What is the function performed by LSA Type 1?（）
A. Create virtual links. B. Advertise external prefixes. C. Summarize routes between areas. D. Advertise a router's interfaces and metrics.
单项选择题 On what is the Martini control plane based?（）
多项选择题 Which two statements are correct regarding IS-IS?（）
多项选择题 Which two forwarding classes have bandwidth assigned when CoS is not explicitly configured inJUNOS software?（）
