《物联网专业英语》期末试卷及答案

1、物联网专业英语期末试卷及答案一、根据英文单词，写出中文意义（20X0.5=10，共 10 分）英文单词accuracy coherent assign connectivity deployfade beehive hyperlinkintervention heterogeneity frequency multihop addressability algorithm bandwidth broadband carrier characteristic checksum collision汉语意思二、根据中文意义，写出英文单词（20X0.5=10，共 10 分）汉语意思n.交互作用，交感

2、vt.处理，操作 n.句柄 v.封装n.耦合器 vt.使最优化vt.使转变，转换.n.弹性，适应性，机动性，柔性英文单词adj电. 感的，感应的vi.配置，设定 n.拥塞，拥挤n.解密v.下载adj电. 磁的n.光纤n.门，通路，网关n.标识符adj不. 兼容的；不相容的；互斥的n.接口，界面n.存储器,内存n.微波三、根据英文词组，写出中文意义（30X0.5=15，共 15 分）词组汉译carrier power channel coding channel time slot cloud computing code conversionconverter conversion loss

3、coupling factordata signaldata transfer rate detection distortion electromagnetic environment error correcting capability fading envelopefrequency multiplication collision avoidance carrier powerchannel coding channel time slot cloud computing code conversionconverter conversion loss coupling factor

4、data signaldata transfer rate detection distortion electromagnetic environment error correcting capability fading envelopefrequency multiplication collision avoidance英文完整形式中文意思四、根据英文缩写，写出英文完整形式及中文意思（10X2=20 ，共 20 分） 缩写AIDC ATM CSMA DNS FTP GTS HTML IP ISPMph五、把下列句子翻译为中文（10X3=10 ，共 10 分）1) A complete

5、 data encryption system must consist of a reliable authentication mechanism and an encryption algorithm.2) The coding of baseband data is the key technology in RFID system.3) The developmentof network technologytowardshigh speed and broadbandhas become an inevitable trend of network development.4) F

6、ilter route establishes the basic rules for connectivity through a firewall.5) This kind of object cannot have text associated with it as a hyperlink.六、把下列句子翻译为英文（5X3=15 ，共 15 分）1) 这一系统采用了特别好的图形界面。2) 多线程技术的应用缩短了程序整体运行时间。3) 除非知道密码，否则谁也用不了那台计算机。4) 数据传输有三种方式。它们是红外、蓝牙和数据线。5) 物联网被视为继互联网之后的又一次信息技术革命浪潮。七、根

7、据下列方框中所给的词填空（10X1=10 ，共 10 分）AFspeedupgradedBGcapacityCavailabilityHwirelessdevicesDIcomputenetworkE cloudJ consumers5G1. How Does 5G work?All four previous generations of mobile networks used macro cell towers, hundreds of feet tall, requiring vast power outlays to transmit over long distances.5G w

8、orks a bit differently. This1mobile network uses a combination of frequencies from multiple bands to maximize throughput. In addition to traditional macro cell towers, 5G wil also use a large number of much smaller micro cells for new millimeter wave spectrum bands to create a blanket of ultrahigh-s

9、pee2dcoverage.2. Benefits of 5GFor many end users, the 5G upgrade is all abo3ut . With predicted 5G speed of up to 10 Gbps, new networks will be up to 100x faster than their predecessors.For industrial, agricultural, and commercial use cases, the biggest benefits of 5G are its 4 and minimal lag. Wit

10、h up to 5x the bandwidth availa,b2le5Gwiwtihll4Ggive rise to new methods of productionand distributioEna.rly testsalsoshow that5G may cut network latency in half.3.5G AvailabilityAt todays early stages of the 5G rollout, deployments are limited in scope and their locatdetermined by individualcarrier

11、s.In the United States,all four major 5 communicationsserviceprovidershave early5G deploymentsin multiplecitiesW.hile most rollouts have involved mobile devices, some have been fixed witrhealtesiss,on5lGy that worksfor a fixed point, like home internet access. Outside the US, providers have begun de

12、ploying 5G countries including China, South Korea, Germany, and Switzerland.While select locations have some 5G coverage, todays deployments are just the prelude to citywide rollouts. Industry analysts indicate that mass dep,looynmeantscoafle5Gthat brings itto a broad user base of both6and businesse

13、s, is likely to start around 2021.The future of 5G will depend not only on carrier rollouts but also device availability. From cell phones to smart city sensors, broader availability of7developed with 5G in mind a expected to be launched in 2020 or 2021, with an onslaught of 5G-enabled experiences b

14、eginning in 2022 as new products are created to meet the demands emerging from 5G technology.4.5G Products and Solutions5G experiences are only as capable as the network that supports them. As a8leader in network solutions, Intel is a foundational part of the global 5G rollout, much in the same wa t

15、hat our technologies are the backbone of9computing. Network transformation dependson a broad ecosystem of technologies, with Intel compute technologies embedded into the fabric of 5G networks at every level.Intelparticipatiens more than 300 standardsgroups worldwide and has providedresearchand guida

16、nce for the 5G standard since its inception. Because 5G depends on using spectrum in multiple bands, Intel has also been an active advocate for spectrum10for 5G services with groups and governments around the world.Tomorrows5G solutiondsepend on scalingcompute technologietso accommodate vastly expan

17、ded throughput. With workload-optimized performance, Intel Xeon Scalable processorsoffer revolutionary advances capable of meeting the data-intensive needs of 5G networking.八、阅读短文，回答问题（10 分）1. What Is a Smart Home?Smart HomeA smart home refersto a convenienthome setupwhere appliancesand devicescan b

18、eautomatically controlled remotely from anywhere with an internet connection using a mobile or other networked device. Devices in a smart home are interconnected through the internet, allowin the userto controlfunctionssuch as securityaccessto the home, temperaturel,ighting, aandhome theater remotel

19、y.Key takeaways: A smart home allowshomeowners to controlappliancest,hermostatsl,ightsa,nd other devices remotely using a smartphone or tablet through an internet connection. Smart homes can be set up through wireless or hardwired systems. Smart home technology provides homeowners with convenience a

20、nd cost savings. Security risks and bugs continue to plague makers and users of smart home technology.2. How Smart Homes WorkA smart homesdevicesare connectedwith each otherand can be accessedthroughonecentral pointa smartphone, tablet, laptop, or game console. Door locks, televisions, thermostats,

21、home monitors,cameras,lights, anedven appliancessuch as therefrigeratcoarn be controlledthroughone home automationsystem.The system isinstalleodn a mobile or othernetworked device, and the user can create time schedules for certain changes to take effect.Smart home appliancescome with self-learnisnk

22、gillso theycan learnthe homeown ers schedulesand make adjustmentsas needed.Smart homes enabledwith lightingcontrolallow homeowners to reduce electricity use and benefeinterfgryo-mrelated cost savings. Some homeautomation systems alert the homeowner if any motion is detected in the home when they'

23、;re away,while otherscan callthe authoritiespoliceor the firedepartment in case of imminentsituationOsn.ce connected, servicseusch as a smartdoorbells,martsecuritysystem,and smartappliances are all part of the internet of things (IoT) technology, a network of physical object can gather and share ele

24、ctronic information.Security and efficiency are the main reasons behind the increase in the application of smart home technology.Smart homes can feature either wireless or hardwiredorsybsottehm.s Wireless systems areeasier to install. Putting in a wireless home automation system with features such a

25、s smart ligh climatecontrol,and securitycan costseveralthousand dollarsm,aking itvery cost-friendly.Hardwired systems,on the otherhand, are consideredmore reliableand are typically more difficultto hack.A hardwiredsystem can increastehe resalevalueof a home. But thereis adrawbackit'sfairlyexpens

26、ive.Installinag luxury and hardwired smart system can costhomeowners tens of thousands of dollars.3. Advantages and Disadvantages of Smart Homes3.1 ProsInstalling a smart home technology system provides homeowners with convenience. Rather than controllinagppliancest,hermostatsl,ightinga,nd otherfeat

27、uresusing differendtevices, homeowners can control them all using oneduesvuiaclely a smartphone or tablet.Since they're connected to a portable device, users can get notifications and updates on iss in theirhomes. For instances,mart doorbellsallow homeowners to see and communicate withpeoplewho

28、come to theirdoors even when they'renot athome. Users can setand controlthe internal temperature, lighting, and appliances as well.For the cost of settingup the smart system,homeowners can benefitfrom significantcost savings. Appliances and electronics can be used more efficiently, lowering ener

29、gy costs.3.2 ConsWhile the smart home offers convenience and cost savings, there are still challenges. Securi risks and bugs continue to plague makers and users of the technology. Adept hackers, for example can gainaccessto a smarthome's internet-enablaepdpliancesI.n October 2016, a botnet calle

30、dMirai infiltrated interconnected devices of DVRs, cameras, and routers to bring down a host of major websitesthrougha denialof serviceattack,alsoknown as a DDoS attack.Measures to mitigatethe risksof such attacks inclupdreotecting smaarptpliancesand deviceswith a strongpassword, using encryption wh

31、en available and only connecting trusted devices to one's network.As noted above, the costsof installinsgmart technologycan run anywhere from a fewthousand dollars for a wireless system to tens of thousands of dollars for a hardwired system. heavy price to pay, especially since there may be a st

32、eep learning curve to get used to the syst for everyone in the household.1. What does a smart home refer to?2. What do smart homes enabled with lighting control allow homeowners to do?3. What are the main reasons behind the increase in the application of smart home technology? 4.What do smart doorbe

33、lls allow homeowners to do?5.What do measures to mitigate the risks of DDoS attacks include?参考试卷答案一、根据英文单词，写出中文意义（20X0.5=10，共 10 分）英文单词accuracyn.精确性，正确度汉语意思coherentadj一.致的，连贯的assign connectivity deployfade beehive hyperlinkintervention heterogeneity frequency multihop addressability algorithm bandwi

34、dth broadband carrier characteristic checksum collisionvt.分配，指派 n.连通性v. 展开，配置vi. 减弱下去，消失 n.蜂窝，蜂箱n.超链接n.干涉n.异种，异质，不同成分n.频率，周率n.多次反射n.可寻址能力n.算法n.带宽n.宽带n.载波n.特性，特征n.校验和n.碰撞，冲突二、根据中文意义，写出英文单词（20X0.5=10，共 10 分）汉语意思n.交互作用，交感 vt.处理，操作 n.句柄 v.封装n.耦合器 vt.使最优化vt.使转变，转换.n.弹性，适应性，机动性，柔性interaction handle encaps

35、ulate coupler optimize convert flexibility英文单词adj电.感的，感应的inductivevi.配置，设定 n.拥塞，拥挤n.解密v.下载configure congestion decipherment downloadadj电. 磁的n.光纤n.门，通路，网关n.标识符electromagnetic fibergateway identifieradj不.兼容的；不相容的；互斥的incompatiblen.接口，界面n.存储器,内存n.微波interface memory microwave三、根据英文词组，写出中文意义（30X0.5=15，共 1

36、5 分）词组carrier power channel coding channel time slot cloud computingcode conversionconverter conversion loss coupling factordata signaldata transfer rate detection distortion electromagnetic environment error correcting capability fading envelopefrequency multiplication collision avoidance carrier p

37、owerchannel coding channel time slot cloud computing code conversionconverter conversion loss coupling factordata signaldata transfer rate detection distortion electromagnetic environment error correcting capability fading envelopefrequency multiplication collision avoidance汉译载波功率信道编码信道时隙云计算 码交换 变频损

38、耗耦合系数数据信号数据传输率检波失真 电磁环境 纠错能力 衰落包络 倍频防止空中相撞载波功率信道编码信道时隙云计算 码交换 变频损耗耦合系数数据信号数据传输率检波失真 电磁环境 纠错能力 衰落包络 倍频防止空中相撞四、根据英文缩写，写出英文完整形式及中文意思（10X2=20 ，共 20 分）缩写AIDC ATM CSMA DNSFTP GTS HTML IP ISPMph英文完整形式Automatic Identification and Data Capture asynchronous transfer modeCarrier Sense Multiple Access Domain Na

39、me ServerFile Transfer Protocol Guaranteed Time SlotHyper Text Markup Language Internet ProtocolInternet Service Provider Megabits per second中文意思自动识别与数据捕捉异步传输模式载波侦听多路访问域名服务器文件传输协议保障时隙超文本标识语言因特网协议因特网服务提供商每秒兆字节五、把下列句子翻译为中文（10X3=10 ，共 10 分）1) 一个完整的数据加解密系统应该具备一个安全可靠的密码认证机制和一种数据加解密算法。2) 基带数据的编码是RFID 系统中的关键技术。3) 网络技术向高速, 宽带方向发展已成为网络发展的必然趋势。4) 过滤路由器为通过防火墙的连通性建立基本规则。5) 此类对象不具有作