多项选择题
A.The MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128-bit hash
B.The MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hash
C.Multiple keys are supported
D.Routing updates packets are delivered in encrypted messages
E.Shared secret keys are delivered in encrypted messages
单项选择题 WhatistheimportanceofusingVirtualOutputQueuesoningressLineCardsinahigh-endrouter？（）
单项选择题 InAnyTransportoverMPLS（AtoM）Controlwordisanoptional4-bytefieldusedinthepseudowirepacket.ThecontrolwordcarriesgenericandLayer2payload-specificinformationtoemulateL2packetscorrectly.Inpseudowirepacket，whereisthisControlWordinserted？（）
单项选择题 WhatbestexplainstheBGProute-reflectorfunction？（）