《网络系统设计与工程》试卷(无密码和答案)-050709.docx

编号：时间：2021年x月x日书山有路勤为径学海无涯苦作舟页码：浙江大学2004–2005学年夏季学期《网络系统设计与工程》课程期末考试试卷开课学院：计算机学院考试形式：闭允许带___________入场考试时间：_2005_年_7月_9_日所需时间：120分钟考生姓名：_____学号：专业：________题序一二三四五六七八总分得分评卷人注意事项：请把答案写在答题纸对应的题号内；有关IP地址表达方式如果没有特别的掩码标明则均按标准地址分类表示。Pleaseselectthebestchoiceforfollowingquestion(60points)WhichofthefollowingwouldbeusedtoconnectaroutertoanEthernetswitch?A.straight-throughRJ45cableB.cross-overRJ45cableC.RS232cableD.aV.35cableHowdoyouconnecttoarouterusingHyperTerminal?A.ConnecttheEthernetportofyourhosttotheEthernetinterfaceoftherouterusingarolledcable.B.ConnecttheCOMportofyourhosttotheEthernetportofyourrouterusingastraight-throughcable.C.ConnecttheCOMportofyourhosttotheconsoleportoftherouterusingacrossovercable.D.ConnecttheCOMportofyourhosttotheconsoleportoftherouterusingarolledcable.WhichoffollowingcommandisusedtoprintroutingtableofaQuidwayrouter?displayiproutedisplayippathshowiproutedisplaycurrent-configWhichlayer-2deviceenableshigh-speeddataexchange?A.RepeaterB.HubC.SwitchD.RouterWhichofthefollowingisacorrectpingtoahost?A.Router>ping172.16.0.0B.Router#ping172.16.25.255C.Router>ping172.16.10.2D.Router#ping172.16.2.256Howmanysubnetsandhostscanyougetfromthenetwork192.168.254.0/26?A.4networkswith64hostsB.2networkswith62hostsC.254networkswith254hostsD.1networkwith254hostsAnswerB.Ibetyoustruggledwiththisonealthoughitisn’tdifficult.Buttheanswerswillmakeyouthink.Firstthe254-hostanswersarenotevenclosesoyouhavea50/50chancebetweenthefour-networkandtwo-networkoptions.ThepartyouprobablythoughtaboutthemostiswhetherCiscoisusingsubnet-zero.Thiswouldprovidefournetworksinsteadoftwo.Makessense.HoweverCiscodoesnotconsidersubnet-zerovalidonanyoftheirexams.Inadditionyo