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1、Chapter1:IntroductiontoNetworking1.TheconnectiontotheInternetcanbebrokendownintowhichofthefollowing?A.PhysicalconnectionB.LogicalconnectionC.ApplicationsD.Alloftheabove2.Whatisthemaincircuitboardofacomputer?A.PCsubsystemB.MotherboardC.BackplaneD.Computermemory3.WhatisaNIC?A.AWANadapterB.Ap
2、rintedcircuitboardthatprovidesnetworkcommunicationC.AcardusedonlyforEthernetnetworksD.Astandardizeddatalinklayeraddress4.Whichnumbersystemisbasedonpowersof2?A.OctalB.HexadecimalC.BinaryD.ASCII5.Matchthefollowingtermswiththeirdefinitions.BitThesmallestunitofdatainacomputerByteAstandardmeasu
3、rementoftherateatwhichdataistransferredoveranetworkconnectionkbpsAunitoffrequency;therateofchangeinthestateorcycleinasoundwave,alternatingcurrent,oranothercyclicalwaveformMHzAunitofmeasurethatdescribesthesizeofadatafile,theamountofspaceonadiskoranotherstoragemedium,ortheamountofdatabeingtr
4、ansferredoveranetwork6.Whatisthelargestdecimalvaluethatcanbestoredin1byte?A.254B.256C.255D.2577.Whatisthedecimalnumber151inbinary?A.10100111B.10010111C.10101011D.100100118.Whatisthebinarynumber11011010indecimal?A.186B.202C.218D.2229.Whatisthebinarynumber0010000100000000inhexadecimal?A.0x21
5、00B.0x2142C.0x0082D.0x001210.Whatisthehexadecimalnumber0x2101inbinary?A.0010000100000001B.0001000000010010C.0100100000001000D.100000001000010011.Whichofthefollowingstatementsistrueofping?A.Thepingcommandisusedtotestadevice’snetworkconnectivity.B.PingstandsforpacketInternetgroper.C.Theping1
6、27.0.0.1commandisusedtoverifytheoperationoftheTCP/IPstackandtheNICtransmit/receivefunction.D.Alloftheabove12.WhichclassesofIPaddressesareavailableforuseasunicastIPaddresses?(Pickthreecorrectanswers.)a.Ab.Bc.Cd.De.E13.Whatclassofaddressis224.0.0.6?a.Ab.Bc.Cd.De.E14.Fromwhatclassofnetworkisb
7、inaryaddress01100001.11010011.11110001.00000001?a.Ab.Bc.Cd.De.E15.Fromwhatclassofnetworkisbinaryaddress11010010.10101101.01111010.10000001?a.Ab.Bc.Cd.De.E16.HowmanyClassCnetworksexist?a.16,382b.126a.2,097,152b.65,53413.HowmanyvalidhostaddressesareavailableonaC
