单项选择题
In JUNOS software, which command is used to configure TED support for OSPF?（）
A. set protocols rsvp cspf-enable B. set protocols mpls cspf-enable C. set protocols rsvp traffic-engineering D. set protocols ospf traffic-engineering
单项选择题 Which condition must be met to allow a PE router to forward VPN traffic across a LSP in a Layer 3 VPN environment?（）
单项选择题 Which statement describes the purpose of BGP route damping?（）
多项选择题 Which three authentication options does OSPF support?（）
