【答案】计算机专业英语阅读y 过程性评测(33)【参考答案】

判断题:10道,每道2分,总分20 1.Datacommunicationsequipment(DCE)acceptstheserialdatastreamfromtheDTE. 正确 错误 2.PPMreferstothenumberofpagesthataprinterprintsperminute. 正确 错误 3.WecanusemultimediainEducation,Edutainmentandsoon. 正确 错误 4.Thebasicfunctionoftransportlayeristoacceptdatafromthesessionlayer,andpassthemtothenetworklayer. 正确 错误 5.Thehostsareconnectedbythecables. 正确 错误 6.Allvirusscannerscankillmostknownviruses. 正确 错误 7.Thephysicallayerisconcernedwithtransmittingrawbytesoveracommunicationchannel. 正确 错误 8.Whenyousendane-mailyoushouldprovidethesender'se-mailaddress. 正确 错误 9.Videocamerasareperipheral. 正确 错误 10.Inthee-mailauserneedsamessagetransferagent. 正确 错误 单选题:20道,每道3分,总分60 1.The()isacollectionofcomputersconnectedtogetherbyphonelinesallowsfortheglobalsharingofinformation. internet interface LAN WWW 2.TheRGBvalueiscomposedof()components. one two three four 3.()isusedtocommunicatewithanothercomputerovertelephonelines. keyboard modem mouse printer 4.Computer（）isacomplexconsistingoftwoormoreconnectedcomputingunits，itisusedforthepurposeofdatacommunicationandresourcesharing. storage device network processor 5.Multimediaincludes(). text graphics videoandaudio alloftheabove 6.A（）copiesaphotograph,drawingorpageoftextintothecomputer. scanner printer display keyboard 7.Networks,intermsoftransmissiontechnology,canbedividedinto(). wirednetworksandwirelessnetworks broadcastnetworksandpoint-to-pointnetworks localareanetworksandwideareanetworks wirednetworksandbroadcastnetworks 8.Oneuseofnetworksistoletseveralcomputersshare（）suchasfilesystem,printers,andtapedrives. CPU memory resources data 9.Afirewallisa（）systemdesignedtoprotectanorganization’snetworkagainstthreats. operating programming security service 10.CommunicationthroughtheInternet,the()performsthereversefunction. Astationcontroller(STACO) DTE Datacommunicationsequipment(DCE) CRT 11.Networksoftwareconsistsof（）,orrulesbywhichprocessescancommunicate. protocols programs devices computers 12.Thedisplayscreenisthemostcommon()deviceusedtoshowyouwhatthecomputerisdoing. input printing output electronic 13.Thefirewalldeviceisa（）systemforconnectingacomputernetworktoothercomputernetwork. hardware software security I/O 14.Virusisa(). program computer badman beast 15.()isnotalinearstructure. Graph Queue Stack I-dimensionarray 16.Oneofthebasicrulesofcomputersecurityistochangeyour（）regularly. name computer device password 17.Modemis(). amodulator ademodulator amodulator/demodulator adataset 18.WhichofthefollowingexpressionsistrueabouttheInternet? TheInternetispartoftheWorldWideWeb. TheInternetisaworldwidenetwork. TheInternetisanothernameofnetwork. WWW,Internetandnetworkallrefertothesamething. 19.TheOSImodelhas()layers. four five six seven 20.TheInternetisanopensystem,andmostinformationisavailabletoeveryone.Itisveryimportanttoadd（）toexistingsystemforprotectingthesecretinformation. Webpages modem security network 多选题:10道,每道2分,总分20多选题:10道,每道2分,总分20 1.Thesubnetconsistsoftwobasiccomponents:(). nodes channals hosts cable 2.Typesofmediainclude(). text full-motionvideo animation audio 3.Whichofthefollowingstructureisthetopology? star loop tree complete lrregular 4.Themainareasofnetworkuseare(). accesstoremotedatabase computeraidededucation teleconferencing homebanking 5.Thegeneraltypesofdesignsforthecommunicationsubnetare(). face-to-facechannels point-to-pointchannels broadcastchannels directchannels 6.Datatransferrulesinclude(). simplexcommunication half-duplexcommunication duplexcommunication full-duplexcommunication 7.Manyvirusesdoharmfulthingssuchas(). deletingfiles changingrandomdataonyourdisk simulatingtypos slowingyourPCdown 8.WithanInternetconnectionyoucangetsomeofthebasicservicesavailableare：(). E-mail Telnet FTP Usenetnews 9.ApplicationsintheInternetcanbefoundeverywhere:(). inlibraries inconferencerooms athome atthemoon 10.Wecan()throughtheInternet. getfreesoftware takelongdistancecollaborations sende-mail retrievefiles