未分类题
WhichtwotrafficclassesinaconvergednetworkrequireaOoSmodelotherthanthestandardFIFO？（）
A.WorldWideWebtrafficusingloadbalancedwebservers
B.voice
C.peertopeerapplicationsmissioncriticalapplications
D.peertopeerapplications
E.multicastroutingprotocols
【参考答案】
B, C