多项选择题
What are two attributes of the Extended IS-Reachability TLV 22?（）
A. system-ID B. band-width C. wide-metrics D. authentication
多项选择题 In JUNOS software, which three routing protocols can be used to route IPv6?（）
单项选择题 By default, routes learned via IBGP will be announced to which peers?（）
多项选择题 Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）
