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   2022年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

Requirements validation is the process of checking that requirements actually define the system that the customer really wants. It overlaps with analysis as it is concerned with finding problems with the requirements. Requirements validation is important because errors in a requirements document can lead to extensive rework costs when these problems are discovered during development or after the s..

57%

   2022年上半年
   系统分析师
   上午试卷综合知识

第58题
选择题

根据历史数据和理论推导可知，某应用中，随机变量s的分布密度函数为f（x）=3x²，（0<x<1）

50%

   2021年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

The objective of the systems analysis phase is to understand the proposed project, ensure that it will support business requirements, and build a solid foundation for system development. The systems analysis phase includes four main activities. (71) involves fact-finding to describe the current system and identification of the requirements for the new system, such as outputs, inputs, processes, pe..

   2020年下半年
   系统分析师
   上午试卷综合知识

第71题
选择题

Unified Modeling Language (UML) is a widely used method of visualizing and documenting an information system. The UML can be used to develop (71) ,in which an object represents a
person, place, event, or transaction that is significant to the information system. Systems analysts define an object’s attributes during the (72).An object also has (73)，which are tasks or functions..

52%

   2019年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

uring the systems planning phase, a systems analyst conducts a （71）activity to study the systems request and recommend specific action. After obtaining an authorization to proceed, the analyst interacts with （72） to gather facts about the problem or opportunity, project scope and constraints, project benefits, and estimated development time and costs. In many cases, the systems request does no..

65%

   2019年上半年
   系统分析师
   上午试卷综合知识

第9题
选择题

用户A从CA获取了自己的数字证书，该数字证书中包含为证书进行数字签名的（8）和（9）。

50%

   2018年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

During the systems analysis phase, greater user involvement usually results in better communication, faster development times, and more satisfied users.There are three common team-based approaches that encourage system users to participate actively in various development tasks.1) （71） is a popular fact-finding technique that brings users into the development process as active participants. The e..

67%

   2017年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

The purpose of systems analysis phase is to build a logical model of the new system. The first step is71, where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the 72. You use the fact-finding results to build business models, data and process models, and object models. The deliverable for the sys..

67%

   2014年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called __(71)__. Requirements written from the developer's perspective and describe how the system will be implemented are called __(72)__. Requirements evolve from detailed statemens of business capabilities that a s..

55%

   2014年上半年
   系统分析师
   上午试卷综合知识

第24题
选择题

业务流程图（Transaction Flow Diagram，TFD）是业务流程调查结果的图形化表示，它反映现有系统各部门的业务处理过程及其之间的分工与联系，以及连接各部门的（24）的传递和流动关系，体现现有系统的边界、环境、输入/输出和数据存储等内容。某公司的系统分析师进行系统分析后，得到了系统“员工领原材料”的业务流程描述：员工填写领料单，库长批准领料单，库工查村存库账，如果发现缺货则通知采购人员，采购人员通知供..

52%

   2011年上半年
   系统分析师
   上午试卷综合知识

第71题
选择题

The analysis phase answers the questions of who will use the system, what the system will do, and where and when it will be used. During this phase, the project team investigates any current system, identifies (71)，and develops a concept for the new system. This phase has tbree steps: first, (72) is developed to guide the project team's efforts. It usually includes an analysis of the current..

75%

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