Whichclass-of-servicecomponentallowsyoutodefinethebandwidthallocatedtodifferenttraffictypes?（）
A. classification
B. rewritemarking
C. scheduling
D. queuing
WhichthreestatementsarecorrectregardingtheCLIcommand,12tpdestinationprofileto-NewYorkvirtual-routervr1ipaddress1.1.1.1?（）(Choosethree.)
A. LNSIPaddressisdefined.
B. LACIPaddressisdefined.
C. Virtual-routervr1sendsandreceivesL2TPtraffic.
D. Virtual-routervr1istheauthenticatingvirtual-router.
E. ThiscommandisperformedontheLN
Whataretwopurposesofaforwardingclass?（）
A. toidentifytrafficthatshouldbedropped
B. toclassifytraffic
C. toidentifytrafficthatshouldreceivecommontreatment
D. toassigntraffictooutputqueues
计算机软件包括（）两大类。
A. 系统软件
B. 操作系统
C. 应用软件
D. 程序
E. 语言处理系统
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