通信英语知识工程师认证考试复习题.doc

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1、通信英语I单项选择1．抽样频率a.samplingrateb.repetitionratec.samplingfrequency答案：c2．数字通信a.digitalcommunicationb.digitaltransmissionc.transmissionpath答案：a3．帧格式a.synchronizationwordb.frameformatc.reverseoperation答案：b4．噪声功率a.noisyenvironmentb.signallevelsc.noisepower答案：c5．含噪声的环境a.signa

2、llevelsb.noisyenvironmentc.noisepower答案：b6．模拟信号a.speechchannelb.analogsignalc.amplitudevalue答案：b7．脉冲流a.streamofpulsesb.receivingterminalc.terrestrialsystem答案：a8．传输路由a.transmissionpathb.transmissionqualityc.binarytransmission答案：a9．互联网a.networkresourceb.Internetc.interco

3、nnectedsystems答案：b10．命令a.copyb.hostc.command答案：c11．拷贝a.addressb.mousec.copy答案：c12．搜索工具a.userinterfaceb.searchingtoolsc.electronicmail答案：b13．存取a.accessb.protocolc.copy答案：a1．网络资源a.textualmessagesb.remoteterminalsc.networkresources答案：c2．文本信息a.informationservicesb.hypertex

4、tprotocolc.textualmessages答案：c3．频谱a.bandwidthb.spreadspectrumc.frequencyband答案：b4．移动手机a.mobilesubscriberb.mobileunitc.serviceperformance答案：b5．频带a.frequencyspectrumb.frequencybandc.spreadspectrum答案：b6．蜂窝交换机a.cellularswitchb.cellularsitec.mobileunit答案：a7．单边带a.single-side

5、bandb.bandwidthc.servicearea答案：a8．服务区a.serviceareab.serviceperformancec.servicecapability答案：a9．移动用户a.mobileunitb.mobilesubscriberc.mobiletransceiver答案：b10．微处理器a.subsystemsb.utilizationc.microprocessor答案：c11．无线机架a.radiocabinetb.antennac.mobileunit答案：a12．电路交换a.packetswit

6、chingb.circuitswitchingc.messageswitching答案：b13．分组交换a.packetswitchingb.circuitswitchingc.messageswitching答案：a14．报文交换a.packetswitchingb.circuitswitchingc.messageswitching答案：c1．专用电路a.dedicatedcircuitb.errorcontrolc.returnsignal答案：a2．突发性a.burstyb.randomc.header答案：a3．传输时延a

7、.destinationaddressb.transmissiondelayc.returnsignal答案：b4．中间交换设备a.givenmaximumb.intermediateswitchingequipmentc.store-and-forwardmanner答案：b5．子网a.headerb.subnetc.busty答案：b33.公众电信网a.publictelecommunicationnetworkb.intermediateswitchingnodec.circuit-switchednetwork答案：a34.

8、半双工的a.full-duplexb.half-duplexc.externalcall答案：b35.端局a.tollcenterb.endofficec.tandemswitch答案：b36.外部呼叫a.externalcallb.