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多項(xiàng)選擇題

Which multicast groups support Auto-RP mapping and discovery？（）

A.224.0.0.39
B.224.0.1.39
C.224.0.0.40
D.224.0.1.40

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單項(xiàng)選擇題

Which mechanism does External BGP use to prevent the formation of routing loops？（）

A.AS path
B.Split horizon
C.Poison reverse
D.Unicast RPF check

多項(xiàng)選擇題

Which two BGP attributes support route reflection？（）

A.Client ID
B.Cluster list
C.Originator ID
D.Reflection community