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



