单项选择题
Where is the IS-IS Network Entity Title configured?（）
A.per IP interface B. per virtual router C. only on LAN interfaces D. only on WAN interfaces
多项选择题 What are three components of the NET address? （）(Choose three.)
单项选择题 Where are Level 2 LSPs flooded?（）
多项选择题 What are three purposes of a PSNP?（）
