多项选择题
MPLS label headers for packet media consist of().
A.Version B.Label C.COS/EXP D.TTL E.S flag
单项选择题 InthecontextofMPLS,whatisthecorrectactiontobeperformedwhenanaggregatelabelisreceived?()
单项选择题 GMPLSisbasedupon:()
单项选择题 InthecontextofMPLSTrafficengineering,TEpathcalculationisconductedby().