2022年通信工程师-中级通信工程师考前拔高综合测试题(含答案带详解)第157期
19页1、2022年通信工程师-中级通信工程师考前拔高综合测试题(含答案带详解)1. 单选题国内互联网虚拟专用网业务(IP-VPN)是指经营者利用自有或租用的互联网网络资源,采用( )为国内用户定制互联网闭合用户群网络的服务。问题1选项A.TCPB.IPC.TCP/IPD.UDP【答案】C【解析】国内互联网虚拟专用网业务是指经营者利用自有或租用的互联网网络资源,采用TCP/IP,为国内用户定制互联网闭合用户群网络的服务。互联网虚拟专用网主要采用IP隧道等基于TCP/IP的技术组建,并提供一定的安全性和保密性,专网内可实现加密的透明分组传送。本题选C。2. 单选题With the advantages of global coverage and network security, satellite mobile communication system can directly provide terminal users( )international roaming and low-cost communication.问题1选项A.toB.withC.forD.of【答案】B【解析】解析
2、:卫星具有全球覆盖和网络安全的优势,移动通信系统可以直接为终端用户提供国际漫游和低成本通信。故本题答案选B3. 单选题The indepth merging of the Industrial Revolution and the Internet Revolution,results in a new wave of the Industrial Internet revolution.The Industrial Internet, or Industry 4.0, has attracted great interests from both industry and academia as the fourth industrial revolution due to the rise of recent exponentially growing technologies (e. g., big data, cloud computing,networking, 3D printing, artificialintelligence, etc. ) For example,
3、different sensor data will be collected and sent to cloud computing for smart decisioning using big data technologies. In manufacturing, 3D printing technology also produces customized products of almost any shape at a lower costs but within a very short duration. The Industrial Internet is often understood as the application of the generic concept of Cyber Physical Systems (CPSs)】,within which the information from all industrial perspectives is closely collected,monitored from the physical spac
4、e and synchronized with the cyber space. The demand of having information and services everywhere made CPS aninevitable trend in the highly networked world of today. And today there are many fields of applications for CPS in the industry, such as medical equipment, driving safety and driver assistance systems for automobiles, industrial process control and automation systems, etc. The melding of the physical industrial components,machines, fleets and factories with the advanced modern sensing an
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