多选题Which two models are the models of DiffServ-Aware Traffic Engineering？ （）APolicy-based ModelBClass based ModelCRussian Doll ModelDGlobal Tunnel ModelEMaximum Allocation Model
多选题
Which two models are the models of DiffServ-Aware Traffic Engineering？ （）
A
Policy-based Model
B
Class based Model
C
Russian Doll Model
D
Global Tunnel Model
E
Maximum Allocation Model
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