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多項選擇題

Which of the following are shared distribution tree characteristics？ （Choose all that apply.）（）

A.Memory requirements are higher for shared distribution tree than for source distribution tree
B.Creates a tree from a central RP to all last-hop routers
C.Uses a rendezvous point
D.An optimal path is created between each source router and each last-hop router
E.Place （S，G） entry in each router’s multicast routing table
F.Place （*，G） entry in a router’s multicast routing to table

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