多项选择题
A. peer with route-reflectors within the cluster
B. peer with route-reflectors outside the cluster
C. peer with route-reflector-clients within the cluster
D. peer with route-reflector-clients outside the cluste
单项选择题 What does a BGP route reflector do when reflecting a route?（）
单项选择题 When implementing BGP confederations, which configuration command establishes the globally unique AS number used with external peers outside your network?（）
多项选择题 What are two alternatives to configuring a full mesh of IBGP peers within your AS? （）(Choose two.)