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1.（）由电缆连接器和相关设备组成，把各种不同的公共系统和设备连接起来其中包括电信部门的光缆，同轴电缆，程控交换机等。 2.MIDI enables people to use （1） computers and electronic musical instruments. There are actually three components to MIDI, the communications " （2） ", the Hardware Interface and a d…… 3.微信是一种常用的单时通信工具，主要采用了（）。 4.The Border Gateway Protocol(BGP) is an interautonomous system （1） protocol. The primary function of a BGP speaking system is to exchange network （2） informa…… 5.Fair and （1） competition in government procurement around the world is good business and good public policy. Competitive pricing, product （2）and performance improvements …… 6.下表描述了某软件工程各项子任务的关系和持续时间，由此可可知工程总工期为（1）天，如因某骨干员工离职，原定任务 F 由 2 天延长至 4 天，则总工期为（2）天，此时任务E 的自由时差为（3）天。 7.关于OSPF拓扑数据库，下面选项中正确的是（） 8.WLANs are increasingly popular because they enable cost-effective connections among people and applications that were not possible in the past. For example, WLAN-based applications…… 9.WebSQL is a SQL-like （1） language for extracting information from the web. Its capabilities for performing navigation of web （2） make it a useful tool for automating several web-re…… 10.The TCP protocolis a (1) layer protocol. Each connection connects two TCPs that may be just one physical network apart or located on opposite sides ofthe globe. In other words, eac…… 11.Routing protocols use different techniques for assigning （1） to individual network. Further, each routing protocol forms a metric aggregation in a different way. Most routing proto…… 12.下图为某工程进度网络图，结点1为起点，结点11为终点，那么关键路径为（1），此工程最快（2）天完成。 13.A project management technique that is currently in widespread use is the (71) . The purpose of this technique is to detail, in hierarchical fashion, all of the activi…… 14.Networks can be interconnected by different devices. In the physical layer，networks can be connected by（71）or hubs， which just move the bits from one network to an identical networ…… 15.（1） analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems．Ultimately, the system models become the（2） for design…… 16.某项目计划成本为400万元，计划工期为4年，项目进行到两年时，监理发现预算成本为200万元，实际成本为100万元，挣值为50万元，则项目成本偏差为（1）万元，项目进度偏差为（2）万元。 17.To document your code can increase program （1） and make program easier to（2） 18.The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable （1） of the technical requirements for the software product.Du…… 19.PH系统集成公司的项目经理老郑受邀对某大型信息系统建设方案的各项可行性指标进行分析，重点分析了新系统方案的经济可行性。老郑基于货币时间价值给出了在贴现率是12%时的投资回收分析表(见表8-6)，其中，“***”表示此处的数据未给出。表8-6中①、②、③、④空应依次填入( 1 );该项目的动态投资回收期为( 2 )年. 20.Certificates are （1） documents attesting to the （2） of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belo……

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