多项选择题
What are three components of the NET address? （）(Choose three.)
A. Area ID B. N-selector C. System ID D. ISO number E. MAC address
单项选择题 Where are Level 2 LSPs flooded?（）
多项选择题 What are three purposes of a PSNP?（）
单项选择题 When configuring OSPF on the ERX, what is the default auto-cost reference-bandwidth value?（）
