资源描述：
《计算机网络技术20103试题答案》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、计算机网络技术2010.3试题答案ThenationalcomputerrankingtestthreelevelnetworktechnologyWrittenexaminationpaperinMarch2010One,thechoice(onepoint,60points)Onlyoneofthefouroptionsiscorrect・PleasewritethecorrectchoicesInthecorrespondingpositionoftheanswersheet,theanswerisnotscoredintheexaminationpaper・(1)theemergen
2、ceoftheIBMPCwastheculminationofacomputerboomthatwasinA)1951B)1961C)1971D)1981(2)inthedescriptionofcomputeraidedtechnology,thecorrectoneisA)computeraideddesignabbreviationCASB)computeraidedinanufacturingabbreviationisCADC)computerassistedlearningabbreviationforCAID)computeraidedtestabbreviationCAE(3
3、)inthedescriptionoftheserver,theerrorisA)theserveriscapableofprocessingpower,storagecapacity,I/OspeedA)eachbladeofthebladeisaclientB)theserverisorganizedintoRISC,CISC,andVLIWC)anenterpriseserverisahigh-endserver(1)inthedescriptionofthecomputertechnologyindicators,thecorrectoneisA)onaverage,MTBFisth
4、etimewhenthesystemfailsB)thepentiumchipis32bits,andthedual-corepentiumchipis64bitsTheaverageexecutionspeedofafloating-pointinstructionisMIPSD)a1KBofstoragecapacityusuallyrepresents1,000bytes(2)whichofthefollowingisa64~bitprocessor?A)8088B)theclassicpentiumD)pentiumIV(3)inthedescriptionofmultimedia,
5、correctisA)multimediaisAnewtechnologyinthenewcenturyC)entropyencodingUSESlossycompression(4)intheelementsofnetworkprotocol,theuserdataformatisspecifiedA)thesyntaxB)semanticC)interface(1)inthedescriptionofthevariouslayersoftheOSIreferencemodel,theerrorisA)thephysicallayerprovidesphysicalconnectionse
6、rvicesbasedonthetransportmediumB)thenetworklayerselectsthetransportpathbyroutingalgorithmThedatalinklayerprovidesareliableend-to-endservicefortheuserA)applicationlayerprovidesuserswithavarietyofhigh-levelwebapplicationservices(2)ifthedatatransferrateislGbps,thenyouneedtosend12.5MbytedataA)0.01sB)0.
7、01s(3)theprotocolforimplementingmailtransferservicesA)HTMLB)IGMPC)DHCPD)SMTP(4)inthedescriptionoftheTCP/IPmodelcorrespondencewiththeOSImodel,thecorrectisTheapplicationlayerofA)TCP/IPmodelcorrespondstothetra
