多项选择题
Which three NLRIs can MBGP carry? （）
A. LDP routes B. IPv6 routes C. RSVP routes D. Layer 2 VPN routes E. Layer 3 VPN routes
多项选择题 Which three pre-conditions must be met before an OSPF router can perform graceful restart? （）
单项选择题 Which Behavior Aggregate (BA) is used to classify traffic arriving on an LSP?（）
单项选择题 Which mechanism does External BGP use to prevent the formation of routing loops?（）
