网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
WhichthreestatementsaboutclassificationmarkingoftrafficatLayer2aretrue?()
A.aFrameRelayheaderincludesa1-bitdiscardeligible（DE）bittoprovidetheclassofservice（CoS）
B.anATMheaderincludesa1-bitDEfieldtoprovidetheCoS
C.anMPLSEXPfieldisinsertedintheLayer3IPprecedencefieldtoidentifytheCoS
D.theCoSfieldonlyexistsinsideEthernetframeswhen802.1QorInter-SwitchLink（ISL）trunkingisused
E.intheIEEE802.1pstandard，threebitsareusedtoidentifytheuserprioritybitsfortheCoS
F.intheIEEE802.1qstandard，sixbitsareusedtoidentifytheuserprioritybitsfortheCoS
参考答案
更多 “ WhichthreestatementsaboutclassificationmarkingoftrafficatLayer2aretrue?() A.aFrameRelayheaderincludesa1-bitdiscardeligible（DE）bittoprovidetheclassofservice（CoS）B.anATMheaderincludesa1-bitDEfieldtoprovidetheCoSC.anMPLSEXPfieldisinsertedintheLayer3IPprecedencefieldtoidentifytheCoSD.theCoSfieldonlyexistsinsideEthernetframeswhen802.1QorInter-SwitchLink（ISL）trunkingisusedE.intheIEEE802.1pstandard，threebitsareusedtoidentifytheuserprioritybitsfortheCoSF.intheIEEE802.1qstandard，sixbitsareusedtoidentifytheuserprioritybitsfortheCoS ” 相关考题
热门标签
最新试卷