Whichofthefollowingareshareddistributiontreecharacteristics?(Chooseallthatapply.
A.Memoryrequirementsarehigherforshareddistributiontreethanforsourcedistributiontree
B.CreatesatreefromacentralRPtoalllast-hoprouters
C.Usesarendezvouspoint
D.Anoptimalpathiscreatedbetweeneachsourcerouterandeachlast-hoprouter
E.Place（S，G）entryineachrouter’smulticastroutingtable
F.Place（*，G）entryinarouter’smulticastroutingtotable
正确答案：参考C, F
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