Which three are true about MPLS LSP establishment using RSVP?（） (Choose three.)
Which three functions can CCC be used for？（）A、To interconnect VLANSB、To interconnect ATM VCsC、To interconnect MPLS LSPsD、To interconnect MPLS VPNs
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Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）A、The tunnel that is not configured with the policy-class command acts as the defaultB、EXP selection is between multiple tunnels to the same destinationC、There is no requirement for IGP extensionsD、Tunnels are configured using the policy-class command and carry multiple EXP valuesE、It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching
Which three characteristics are true about voice traffic in the campus network？ （）A、TCP retransmitsB、benignC、greedyD、drop sensitiveE、smoothF、delay insensitive
Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）A、MPLS TE supports admission controlB、MPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathC、MPLS TE uses BGP extension to advertise link attributesD、MPLS TE provides protection capabilityE、MPLS TE uses RSVP to establish LSP
多选题Which three are true about MPLS LSP establishment using RSVP?（） (Choose three.)AOrdered ControlBIndependent ControlCDown Stream UnsolicitedDLiberal Label ManagementEDown Stream On Demand
多选题Which three functions can CCC be used for？（）ATo interconnect VLANSBTo interconnect ATM VCsCTo interconnect MPLS LSPsDTo interconnect MPLS VPNs
