多项选择题

Which two models are the models of DiffServ-Award traffic Engineering？（）

A.Class-based Model
B.Maximum Allocation Model
C.Russian Doll Model
D.Global Tunnel Model
E.Policy-based Model

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单项选择题

What are the address Family Identifier （AFI） and subsequent Address family Identifier ASAFI） values from VPNv6？（）

A.AFI is 2， SAFI is 128
B.AFI is 1， SAFI is 64
C.AFI is 2， SAFI is 64
D.AFI is 1， SAFI is 96
E.AFI is 2， SAFI is 96
F.AFI is 1， SAFI is 128

多项选择题

Which three modes are the operating modes of HDLC？（）

A.asynchronous response mode （ARM）
B.normal peer mode （NPM）
C.asynchronous balanced mode （ABM）
D.normal response mode （NRM）
E.asynchronous client mode （ACM）

多项选择题

Which two routing protocols support MPLS traffic engineering link information distribution？（）

A.OSPF
B.BGP
C.RIP version 2
D.IS-IS
E.EIGRP