多项选择题
Which two mechanisms control route distribution between PE routers in a 2547bis VPN?（）
A. site id B. policies C. circuit id D. extended communities
多项选择题 In which two ways can you influence how downstream LSRs treat MPLS traffic?（）
单项选择题 In JUNOS software, unclassified packets are associated with which forwarding class?（）
多项选择题 Which two IS-IS hello values must match to form a Level 1 IS-IS adjacency? （）
