【答案】计算机专业英语阅读y 过程性评测(34)【参考答案】

判断题:10道,每道2分,总分20 1.Inthee-mailauserneedsamessagetransferagent. 正确 错误 2.Thesetfolayersandprotocolsiscallednetworkarchitecture. 正确 错误 3.Thebasicfunctionoftransportlayeristoacceptdatafromthesessionlayer,andpassthemtothenetworklayer. 正确 错误 4.Thephysicallayerisconcernedwithtransmittingrawbytesoveracommunicationchannel. 正确 错误 5.Justaboutanymoderncomputercanhandletextprocessingandproducebasicsounds. 正确 错误 6.Videocamerasareperipheral. 正确 错误 7.TheTCP/IPInternetprotocolsuiteisformedfromfivestandards. 正确 错误 8.Virusescancauseprogramscrashingbutcan'tcauseentireharddiskdeleting. 正确 错误 9.Allvirusscannerscankillmostknownviruses. 正确 错误 10.Factorsthatinfluencethequalityofamonitorarescreensize,resolution,anddotpitch. 正确 错误 单选题:20道,每道3分,总分60 1.TheInternetistheworld'slargestcomputer（）. network device display disk 2.CommunicationthroughtheInternet,the()performsthereversefunction. Astationcontroller(STACO) DTE Datacommunicationsequipment(DCE) CRT 3.WhichofthefollowingexpressionsistrueabouttheInternet? TheInternetispartoftheWorldWideWeb. TheInternetisaworldwidenetwork. TheInternetisanothernameofnetwork. WWW,Internetandnetworkallrefertothesamething. 4.Virusisa(). program computer badman beast 5.ThesourcecodeofaWebpageconsistsof(). words characters wordsandcharacters texts 6.Afirewallisa（）systemdesignedtoprotectanorganization’snetworkagainstthreats. operating programming security service 7.TheOSImodelhas()layers. four five six seven 8.Photoshopistheleadingprofessional()program,releasedbyAdobe. text-editing word-editing image-editing picture-editing 9.Networks,intermsoftransmissiontechnology,canbedividedinto(). wirednetworksandwirelessnetworks broadcastnetworksandpoint-to-pointnetworks localareanetworksandwideareanetworks wirednetworksandbroadcastnetworks 10.Networksoftwareconsistsof（）,orrulesbywhichprocessescancommunicate. protocols programs devices computers 11.Thefirewalldeviceisa（）systemforconnectingacomputernetworktoothercomputernetwork. hardware software security I/O 12.Anti-Virusprotectsyourcomputerfromvirusesby()yourcomputer'smemoryanddiskdevices. deleting changing scanning replacing 13.()isnotalinearstructure. Graph Queue Stack I-dimensionarray 14.A（）computerisapersonalcomputerwhosehardwareiscapableofusinganyorallofthefollowingmediainaprogram:audio,text,graphics,videoandanimation. database multimedia network mainframes 15.Modemis(). amodulator ademodulator amodulator/demodulator adataset 16.（）：Messagesthataresentelectronicallyoveranetwork. input output data E-Mail 17.Bitmapimagesuseagridofsmallsquaresknownas（）torepresentimages． pixels points elements dots 18.（）meanstheconductingofbusinesscommunicationandtransactionovernetworkandthroughcomputers． E-Mail E-Government E-text E-Commerce 19.()isadevicethatenablesthecomputertohandlesounds. networkcard videocard soundcard monitor 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.Datatransferrulesinclude(). simplexcommunication half-duplexcommunication duplexcommunication full-duplexcommunication 2.Typesofmediainclude(). text full-motionvideo animation audio 3.TheInternetis(). asacommoninternet aspecifickindofinternet definedasthenetworkofnetworks constrainedbyasetofIPsuite 4.Thegeneraltypesofdesignsforthecommunicationsubnetare(). face-to-facechannels point-to-pointchannels broadcastchannels directchannels 5.Virusescandelaytheirattackfor(). days weeks months years 6.Whichofthefollowingstructureisthetopology? star loop tree complete lrregular 7.Wecan()throughtheInternet. getfreesoftware takelongdistancecollaborations sende-mail retrievefiles 8.Thesubnetconsistsoftwobasiccomponents:(). nodes channals hosts cable 9.Themainareasofnetworkuseare(). accesstoremotedatabase computeraidededucation teleconferencing homebanking 10.Manyvirusesdoharmfulthingssuchas(). deletingfiles changingrandomdataonyourdisk simulatingtypos slowingyourPCdown