Which OSPF LSA is used to support MPLS traffic engineering？（）

多项选择题Option10A（back-to-backVRF）isanimplementationofinter-ASMPLSVPN.Whichoffourstatementsaboutoption10Aarenottrue？（）

A.MPLS is required between the ASBRs.
B.ASBR must hold all routing information.
C.It is a scalable solution.
D.It is a simple solution.
E.MP-EBGP is used to exchange routes between ASBRs.

多项选择题Whichthreeoftheseareopticalchanneldataunit（ODU）overheadfields？（）

A.general communication channel 0 （GCC0）
B.section monitoring
C.reserved （RES）
D.general communication channels 1 and 2 （GCC1 GCC2）
E.tandem connection monitoring activation deactivation （TCM ACT）

单项选择题WhichstatementaboutOSPFASBRsummaryLSAistrue？（）

A.It is generated by an ASBR and indicates the reachability to an ABR located in another area.
B.It is generated by ABR and indicates the reachability to an ASBR located in another AS.
C.It is generated by ABR and indicates reachability to itself.
D.It is generated by ABR and indicates the reachability to an ASBR located in another area.
E.It is generated by ASBR and indicates the reachability to an ABR.

多项选择题WhichtwomodelsarethemodelsofDiffServ-AwardtrafficEngineering？（）

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

单项选择题WhataretheaddressFamilyIdentifier（AFI）andsubsequentAddressfamilyIdentifierASAFI）valuesfrom 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