单项选择题
GMPLS is based upon:()
A.Packet-based switching devices B.VPI/VCI-based switching devices C.Non-Packet-based devices D.None of the above E.A and B
单项选择题 InthecontextofMPLSTrafficengineering,TEpathcalculationisconductedby().
单项选择题 WhatisthedefaultSPFthrouttletimerinOSPF?()
多项选择题 WhichthreechoicesareBGPExtendedcommunitiesusedinMPLS-VPNdeployment?()