Which of the following are shared distribution tree characteristics()
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.
正确答案：参考B, C, F
词条内容仅供参考，如果您需要解决具体问题
（尤其在法律、医学等领域），建议您咨询相关领域专业人士。