mis12 信息系统复习参考7

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1、ManagementInformationSystems,12e(Laudon)Chapter7Telecommunications,theInternet,andWirelessTechnology1)Telephonenetworksarefundamentallydifferentfromcomputernetworks.Answer:TRUEDiff:2PageRef:247AACSB:UseofITCASE:ComprehensionObjective:7.12)Increasingly,voice,video,anddatacommunications

2、areallbasedonInternettechnology.Answer:TRUEDiff:1PageRef:247AACSB:UseofITCASE:ComprehensionObjective:7.13)Tocreateacomputernetwork,youmusthaveatleasttwocomputers.Answer:TRUEDiff:2PageRef:247AACSB:UseofITCASE:ComprehensionObjective:7.14)AnNOSmustresideonadedicatedservercomputerinordert

3、omanageanetwork.Answer:FALSEDiff:2PageRef:248AACSB:UseofITCASE:ComprehensionObjective:7.15)Ahubisanetworkingdevicethatconnectsnetworkcomponentsandisusedtofilterandforwarddatatospecifieddestinationsonthenetwork.Answer:FALSEDiff:2PageRef:248AACSB:UseofITCASE:ComprehensionObjective:7.16)

4、Inaclient/servernetwork,anetworkserverprovideseveryconnectedclientwithanaddresssoitcanbefoundbyothersonthenetwork.Answer:TRUEDiff:2PageRef:2350AACSB:UseofITCASE:ComprehensionObjective:7.122Copyright©2012PearsonEducation,Inc.7)Centrallargemainframecomputinghaslargelyreplacedclient/serv

5、ercomputing.Answer:FALSEDiff:2PageRef:250AACSB:UseofITCASE:ComprehensionObjective:7.18)Circuitswitchingmakesmuchmoreefficientuseofthecommunicationscapacityofanetworkthandoespacketswitching.Answer:FALSEDiff:1PageRef:250AACSB:UseofITCASE:ComprehensionObjective:7.19)Aprotocolisastandards

6、etofrulesandproceduresforthecontrolofcommunicationsinanetwork.Answer:TRUEDiff:1PageRef:251AACSB:UseofITCASE:ComprehensionObjective:7.110)TwocomputersusingTCP/IPcancommunicateeveniftheyarebasedondifferenthardwareandsoftwareplatforms.Answer:TRUEDiff:1PageRef:252AACSB:UseofITCASE:Compreh

7、ensionObjective:7.111)Inaringtopology,onestationtransmitssignals,whichtravelinbothdirectionsalongasingletransmissionsegment.Answer:FALSEDiff:3PageRef:254AACSB:UseofITCASE:ComprehensionObjective:7.212)Coaxialcableissimilartothatusedforcabletelevisionandconsistsofthicklyinsulatedcopperw

8、ire.A