单项选择题
A. set protocols rsvp cspf-enable B. set protocols mpls cspf-enable C. set protocols rsvp traffic-engineering D. set protocols ospf traffic-engineering
Which condition must be met to allow a PE router to for...
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?（）
A. The BGP next hop must be in inet.1. B. The BGP next hop must be in inet.3. C. Must have a bidirectional LSP configured. D. Must have a static route to allow an ARP for connected interfaces.
Which statement describes the purpose of BGP route damp...
单项选择题Which statement describes the purpose of BGP route damping?（）
A. Avoid interface bandwidth saturation. B. Drop BGP routes when the routing-table becomes full. C. Remove unnecessary route attributes when not in use. D. Limit the effects of a flaping interface on route removal and readvertisement.
Which three authentication options does OSPF support?（）...
多项选择题Which three authentication options does OSPF support?（）
A. DES B. MD5 C. Kerberos D. unauthenticated E. simple password
