单项选择题
A.Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.
B.The RPs must be within the same IGP domain.
C.Multicast Source Discovery Protocol must be configured between the two anycast RPs.
D.The two anycast RPs must be IBGP peers.
单项选择题 InPIM-SMwhatcontrolplanesignalingmustamulticastsourceperformbeforeitbeginstosendmulticasttraffictoagroup？（）
多项选择题 Whichofthesestatementsaboutpenultimatehoppoppingaretrue？（）
单项选择题 WhichtypesofprefixeswillarouterrunningBGPmostlikelyadvertisetoanIBGPpeer，assumingitisnotconfiguredasaroutereflector？（）