试题查看

首页 > 软件水平考试 > 试题查看
【单选题】


A、gluE thAt holDs thE wholE intErnEt togEthEr is thE nEtwork lAyEr protoCol, ______. unlikE most olDEr nEtwork lAyEr protoCols, it wAs DEsignED From thE BEginning with intErnEt working in minD、its joB is to proviDE A-______ wAy to trAnsport DAtAgrAms From sourCE to DEstinAtion, without rEgArD to whEthEr thEsE mAChinEs ArE on thE sAmE nEtwork or whEthEr thErE ArE othEr nEtworks in BEtwEEn thEm.
CommuniCAtion in thE intErnEt works As Follows. thE ______.lAyEr tAkEs DAtA strEAms AnD BrEAks thEm up into DAtAgrAms.EACh DAtAgrAm is trAnsmittED through thE intErnEt, possiBly BEing FrAgmEntED into smAllEr units As it goEs. whEn All thE piECEs FinAlly gEt to thE DEstinAtion mAChinE, thEy ArE rEAssEmBlED By thE ______ lAyEr into thE originAl DAtAgrAm. this DAtAgrAm is thEn hAnDED to thE trAnsport lAyEr, whiCh insErts it into thE rECEiving proCEss input strEAm.
An ip DAtAgrAm Consists oF A hEADEr pArt AnD A tExt pArt. thE hEADEr hAs ______ pArt AnD A vAriABlE lEngth optionAl pArt.
A、40-BytE FixEDB、64-BytE FixEDC、20-64 BytEs vAriABlE D、20-BytE FixED

查看答案解析

参考答案:

正在加载...

答案解析

正在加载...

根据网考网移动考试中心的统计,该试题:

9%的考友选择了A选项

21%的考友选择了B选项

4%的考友选择了C选项

66%的考友选择了D选项

你可能感兴趣的试题

BGPisaninter-autonomoussystemroutingprotOneofthemostwidelyusedroutingprotocolsinABluetoothdevicecanbeeitheramasterorasla阅读以下关于企业网络建设方案的技术说明,根据要求回答问题1~问题4。{{B}}[阅读以下关于电子政务系统安全体系结构的技术说明,根据要求回答问题1~问题4。{{阅读下列关于系统运行的叙述,根据要求回答问题1~问题4。{{B}}[说明]{{/