单项选择题
As described in rfc 3270,short-pipe mode operstion, the PE to CE egress polices are based upon:()
A.topmost label exp value B.customer marking C.Innerrnost label exp value D.Qos groups/discard class E.remarked IP tos value F.MDRR quantam
多项选择题 WhichtwooptionsbestdescribethepurposeofsessionIDandcookiefieldinaL2TPv3packet?()
多项选择题 Select3AVPs(Attribute-ValuePair)whichMUSTbepresentintheICRQ:()
多项选择题 WhatISISTLVsareusedtosupportMPLS-trafficEngineering?()