单项选择题
A. ip route 192.168.10.1 255.255.255.255 atm 6/2.1
B. ip route 192.168.10.1 255.255.255.252 atm 6/2.1
C. add route 192.168.10.1 255.255.255.252 atm 6/2.1
D. add route 192.168.10.1 255.255.255.255 atm 6/2.1
单项选择题 A Bridged 1483 network is grouping all DSL users into a single logical subnet. Which configuration command prevents the end users from directly communicating with each other?（）
多项选择题 You receive an EBGP route configured with the no-export community set.To which types of peers can you send this route?（） (Choose two.)
多项选择题 What are the three BGP well-known communities? （）(Choose three.)