多项选择题
A.Memory requirements are higher for shared distribution tree than for source distributiontree.
B.Creates a tree from a central RP to all last-hoprouters.
C.Uses a rendezvous point.
D.An optimal path is created between each source router and each last-hoprouter.
E.Place（S，G）entry in each router’smulticast routing table.
F.Place（*，G）entry in a router’smulticast routing to table.
单项选择题 Refertotheexhibit.RoutersRTAandRTBarerunningBGPbutthesessionisactive.WhatcommandneedstobeaddedtoestablishtheBGPsession？（）
多项选择题 Which of the following are valid methods of providing a router with information concerning the location of the RP（）
单项选择题 AcompanyhasaBGPnetworkandaBGProuteof196.27.125.0/24thatshouldbepropagatedtoallofthedevices.Therouteisnotnowinanyoftheroutingtables.Theadministratordeterminesthatanaccesslististhecauseoftheproblem.Theadministratorchangestheaccesslisttoallowthisroute，buttheroutestilldoesnotappearinanyoftheroutingtables.Whatshouldbedonetopropagatethisroute？（）