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多項(xiàng)選擇題

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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多項(xiàng)選擇題

Which three are optional extensions of the Frame Relay Local Management Interface specification？（）

A.switched virtual circuit
B.virtual circuit status
C.simple flow control
D.multicasting
E.permanent virtual circuit

多項(xiàng)選擇題

In the Carrier Support Carrier （CsC） feature， which two protocols run CSC-PE and CSC-CS ？（）

A.EBGPv4 with a sending community
B.IGP and LDP
C.EBGPv4 with a sending label
D.IGP and EBGPv4
E.IGP and RSVP