单项选择题
By default, which JUNOS software routing table contains IPv6 unicast routes?（）
A.inet.6 B.ipv6.0 C.inet0 D.inet6.0
单项选择题 What is the purpose of IS-IS level boundaries?（）
单项选择题 Which mechanism accommodates the use of overlapping addresses in 2547bis VPNs?（）
多项选择题 In which two ways can the router ID selection be controlled?（）
