信息系统复习参考7Word格式.docx

信息系统复习参考7Word格式.docx

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FALSE

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5）Ahubisanetworkingdevicethatconnectsnetworkcomponentsandisusedtofilterandforwarddatatospecifieddestinationsonthenetwork.

6）Inaclient/servernetwork,anetworkserverprovideseveryconnectedclientwithanaddresssoitcanbefoundbyothersonthenetwork.

2350

7）Centrallargemainframecomputinghaslargelyreplacedclient/servercomputing.

250

8）Circuitswitchingmakesmuchmoreefficientuseofthecommunicationscapacityofanetworkthandoespacketswitching.

9）Aprotocolisastandardsetofrulesandproceduresforthecontrolofcommunicationsinanetwork.

251

10）TwocomputersusingTCP/IPcancommunicateeveniftheyarebasedondifferenthardwareandsoftwareplatforms.

252

11）Inaringtopology,onestationtransmitssignals,whichtravelinbothdirectionsalongasingletransmissionsegment.

3PageRef:

254

7.2

12）Coaxialcableissimilartothatusedforcabletelevisionandconsistsofthicklyinsulatedcopperwire.

255

13）Fiber-opticcableismoreexpensiveandhardertoinstallthanwiremedia.

14）Thenumberofcyclespersecondthatcanbesentthroughanytelecommunicationsmediumismeasuredinkilobytes.

257

15）TheDomainNameSystem（DNS）convertsIPaddressestodomainnames.

258

7.3

16）VoIPtechnologydeliversvideoinformationindigitalformusingpacketswitching.

264

17）Web3.0isacollaborativeefforttoaddalayerofmeaningtotheexistingWebinordertoreducetheamountofhumaninvolvementinsearchingforandprocessingWebinformation.

275

ReflectiveThinking

18）Wi-FienablesuserstofreelyroamfromonehotspottoanotherevenifthenexthotspotisusingdifferentWi-Finetworkservices.

278

7.4

19）WiMaxhasawirelessaccessrangeofupto31miles.

279

20）RFIDhasbeenexceptionallypopularfromthetechnology'

sinceptionbecauseofitslowimplementationcosts.

280

7.5

21）Thedevicethatactsasaconnectionpointbetweencomputersandcanfilterandforwarddatatoaspecifieddestinationiscalleda（n）

A）hub.

B）switch.

C）router.

D）NIC.

B

22）TheInternetisbasedonwhichthreekeytechnologies?

互联网是基于哪三关键技术？

A）tcp/ip、HTML和HTTP

B）tcp/ip、HTTP和分组交换

C）客户端/服务器计算、分组交换和通信标准的开发,用于连接网络和计算机

D）客户端/服务器计算、数据包交换和HTTP

A）TCP/IP,HTML,andHTTP

B）TCP/IP,HTTP,andpacketswitching

C）client/servercomputing,packetswitching,andthedevelopmentofcommunicationsstandardsforlinkingnetworksandcomputers

D）client/servercomputing,packetswitching,andHTTP

C

23）Themethodofslicingdigitalmessagesintoparcels,transmittingthemalongdifferentcommunicationpaths,andreassemblingthemattheirdestinationsiscalled

A）multiplexing.

B）packetswitching.

C）packetrouting.

D）ATM.

将数字信息切片成包裹的方法,沿不同的通信路径传输它们,并在其目的地重新组装它们,称为

A）多路复用。

B）分组交换。

C）数据包路由。

D）ATM机。

24）Thetelephonesystemisanexampleofa_circuit-switched_network.

A）peer-to-peer

B）wireless

C）packet-switched

D）circuit-switched

D

25）Whichofthefollowingisnotacharacteristicofpacketswitching?

A）Packetstravelindependentlyofeachother.

B）Packetsareroutedthroughmanydifferentpaths.

C）Packetswitchingrequirespoint-to-pointcircuits.

D）Packetsincludedataforcheckingtransmissionerrors.

数据包交换的特征是什么？

以下哪一个是不？

A）数据包相互独立旅行。

B）数据包通过许多不同的路径路由。

C）分组交换需要点对点电路。

D）包包括用于检查传输错误的数据。

26）InTCP/IP,IPisresponsiblefor

A）disassemblingandreassemblingofpacketsduringtransmission.

A）在传输过程中拆卸和重新组装数据包。

B）establishinganInternetconnectionbetweentwocomputers.

C）movingpacketsoverthenetwork.

D）sequencingthetransferofpackets.

A

27）Inatelecommunicationsnetworkarchitecture,aprotocolis

A）adevicethathandlestheswitchingofvoiceanddatainalocalareanetwork.

B）astandardsetofrulesandproceduresforcontrolofcommunicationsinanetwork.

C）acommunicationsserviceformicrocomputerusers.

D）themaincomputerinatelecommunicationsnetwork.

、在电信网络体系结构中,协议是

a）一种在局域网中处理语音和数据交换的设备。

B）一套标准和程序,用于控制网络中的通信。

C）为微型计算机用户提供通信服务。

D）电信网络中的主要计算机。

28）WhatarethefourlayersoftheTCP/IPreferencemodel?

A）physical,application,transport,andnetworkinterface

B）physical,application,Internet,andnetworkinterface

C）application,transport,Internet,andnetworkinterface

D）application,hardware,Internet,andnetworkinterface

tcp/ip参考模型的四层是什么？

APP—传输—因特网—network

A）物理、应用程序、传输和网络接口

B）物理、应用、互联网和网络接口

C）应用程序、传输、Internet和网络接口

D）应用程序、硬件、互联网和网络接口

251-252

29）Whichsignaltypesarerepresentedbyacontinuouswaveform?

A）laser

B）optical

C）digital

D）analog模拟信号

哪些信号类型由连续波形表示？

A）激光

B）光学

C）数字

D）模拟

30）Tousetheanalogtelephonesystemforsendingdigitaldata,youmustalsouse

A）amodem.调制解调器

B）arouter.

C）DSL.

D）twistedwire.

31）Whichtypeofnetworkisusedtoconnectdigitaldeviceswithinahalf-mileor500-meterradius?

31）哪种网络用于在半英里或500米半径内连接数字设备？

A）microwave

B）LAN局域网

C）WAN广域网

D）MAN

253

32）WhichofthefollowingInternetconnectiontypesoffersthegreatestbandwidth?

以下哪种互联网连接类型提供最大带宽？

A）T3

B）DSL

C）cable

D）T1

33）Whichtypeofnetworkwouldbemostappropriateforabusinessthatcomprisedthreeemployeesandamanagerlocatedinthesameofficespace,whoseprimaryneedistosharedocuments?

哪种类型的网络最适合于一个由三名雇员组成的企业和一个位于同一办公空间的经理,其主要需要是共享文件？

A）wirelessnetworkininfrastructuremode

B）domain-basedLAN

C）peer-to-peernetworkC）对等网络

D）campusareanetwork

253-254

AnalyticSkills

Evaluationintermsofassess

34）Inabusnetwork

A）signalsarebroadcasttothenextstation.

B）signalsarebroadcastinbothdirectionstotheentirenetwork.

C）multiplehubsareorganizedinahierarchy.

D）messagespassfromcomputertocomputerinaloop.

35）Allnetworkcomponentsconnecttoasinglehubina________topology.

所有网络组件都连接到一个拓扑中的单个集线器。

A）star

B）bus

C）domain

D）peer-to-peer

36）ThemostcommonEthernettopologyis

最常见的以太网拓扑结构是

A）bus.

B）star.

C）ring.

D）mesh.

37）Anetworkthatspansacity,andsometimesitsmajorsuburbsaswell,iscalleda

一个横跨城市的网络,有时也是它的主要郊区,被称为MAN

A）CAN.

B）MAN.

C）LAN.

D）WAN.

38）Anetworkthatcoversbroadgeographicalregionsismostcommonlyreferr