计算机英语》刘艺-王春生-第三版-课后答案第八章.doc

UnitEight:ComputerNetworks

UnitEight/SectionA

I.Fillintheblankswiththeinformationgiveninthetext:

1.MAN

2.open;closed

3.bus

4.token

5.Ethernet

6.client/server

7.equals;temporary

8.network

II.TranslatethefollowingtermsorphrasesfromEnglishintoChineseandviceversa:

1.fileserver文件服务器

2.carriersense载波检测，载波监听

3.protocolsuite协议组，协议集

4.peer-to-peermodel对等模型

5.bustopologynetwork总线拓扑网络

6.inter-machinecooperation机器间合作，计算机间合作

7.Ethernetprotocolcollection以太网协议集

8.proprietarynetwork专有网络

9.utilitypackage实用软件包，公用程序包

10.starnetwork星形网络

11.局域网localareanetwork(LAN)

12.令牌环tokenring

13.无线网络wirelessnetwork

14.封闭式网络closednetwork

15.环形拓扑结构ringtopology

16.客户机/服务器模型client/servermodel

17.网络应用程序networkapplication

18.进程间通信interprocesscommunication

19.打印服务器printserver

20.广域网wideareanetwork(WAN)

III.Fillineachoftheblankswithoneofthewordsgiveninthefollowinglist,making

changesifnecessary:

Computerscancommunicatewithothercomputersthroughaseriesofconnectionsand

associatedhardwarecalledanetwork.Theadvantageofanetworkisthatdatacanbe

exchangedrapidly,andsoftwareandhardwareresources,suchashard-diskspaceorprinters,

canbeshared.Networksalsoallowremoteuseofacomputerbyauserwhocannotphysically

accessthecomputer.

Onetypeofnetwork,alocalareanetwork(LAN),consistsofseveralPCsorworkstations

connectedtoaspecialcomputercalledaserver,oftenwithinthesamebuildingoroffice

complex.Theserverstoresandmanagesprogramsanddata.Aserveroftencontainsallofa

networkedgroup’sdataandenablesLANworkstationsorPCstobesetupwithoutlarge

storagecapabilities.Inthisscenario(方案),eachPCmayhave“local”memory(forexample,

aharddrive)specifictoitself,butthebulkofstorageresidesontheserver.Thisreducesthe

costoftheworkstationorPCbecauselessexpensivecomputerscanbepurchased,andit

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