【计算机类职业资格】系统分析师-7及答案解析.doc

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1、系统分析师-7 及答案解析(总分：100.00，做题时间：90 分钟)一、单项选择题(总题数：7，分数：100.00)The _ is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system

2、which consists of several _. In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a _, which consists of _ indicated using a circle, and _ shown as a rectangle. These two components can be linked by means of a directed arc.（分数：10.

3、00）A.waterfall modelB.workflow reference modelC.evolutionary modelD.spiral modelA.workflow enginesB.processesC.workflow threadsD.tasksA.PERT diagramB.DFDC.Petri NetD.ER diagramA.positionsB.resourcesC.conditionsD.placesA.transitionsB.transformationsC.transmittersD.changesAccelerated analysis approach

4、es emphasize the construction of _ to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology, _ reads the program code and automatically generates the equivalent system model, and the code can be obtained from _. All system analysis approaches re

5、quire some form of _ which includes those techniques to be used to identify or extract system problems and solution requirements from user community. _ is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.（分数：15.00）A

6、.object modelsB.prototypesC.use casesD.componentsA.extreme programmingB.model drivenC.reverse engineeringD.agile methodA.existing database and application programB.application program and user interfaceC.existing database and user interfaceD.existing database, application program and user interfaceA

7、.requirement discoveryB.business process redesignC.cause-and-effect analysisD.total quality managementA.Continuous process improvementB.Joint requirements planningC.Fact-findingD.Structured engineeringMany of the activities performed during the preliminary investigation are still being conducted in

8、_, but in much greater depth than before. During this phase, the analyst must become fully aware of the _ and must develop enough knowledge about the _ and the existing systems to enable an effective solution to be proposed and implemented. Besides the _ for process and data of current system, the d

9、eliverable from this phase also includes the _ for the proposed system.（分数：15.00）A.analysis phaseB.design phaseC.implementation phaseD.maintenance phaseA.main symptomB.root problemC.final blueprintD.data specificationA.hardware environmentB.testing environmentC.software environmentD.business environ

10、mentA.logical modelsB.physical modelsC.design modelsD.implementation modelsA.hardware and software specificationB.system performance specificationC.formal requirements definitionD.general problem statementSystem analysis is traditionally done top-down using structured analysis based on _. Object-ori

11、ented analysis focuses on creation of models. The three types of the analysis model are _. There are two substages of object-oriented analysis. _ focuses on real-world things whose semantics the application captures. The object constructed in the requirement analysis shows the _ of the real-world sy

12、stem and organizes it into workable pieces. _ addresses the computer aspects of the application that are visible to users. The objects are those which can be expected to vary from time to time quite rapidly.（分数：15.00）A.functional decompositionB.object abstractionC.data inheritanceD.information gener

13、alizationA.function model, class model and state modelB.class model, interaction model and state modelC.class model, interaction model and sequence modelD.function model, interaction model and state modelA.Static analysisB.Semantic analysisC.Scope analysisD.Domain analysisA.static structureB.system

14、componentsC.data flowsD.program proceduresA.Program analysisB.Function requirementC.Application analysisD.Physical modelThe 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 a

15、ny current system, identifies _, and develops a concept for the new system. This phase has three steps: first, _ is developed to guide the project team“s efforts. It usually includes an analysis of the current system and its problems, and the ways to design a new system. The next step is _. The anal

16、ysis of this informationin conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system. The system concept is then used as a basis to develop a set of business analysis models that describe show the business will operate if the new sys

17、tem were developed. The set of models typically includes models that represent the _ necessary to support the underlying business process. Last, the analyses, system concepts, and models are combined into a document called the _,which is presented to the project sponsor and other key decision makers

18、 that decide whether the project should continue to move forward.（分数：15.00）A.improvement opportunitiesB.logical modelC.system requirementsD.system architectureA.a user manualB.an analysis strategyC.an analysis use caseD.a design user caseA.project scope definitionB.problems analysisC.decision analys

19、isD.requirements gatheringA.data and processesB.system infrastructuresC.external agentsD.system softwareA.requirements statementB.design specificationC.system proposalD.project charterThe traditional model for systems development was that an IT department used _ which is a process-centered technique

20、, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows key users to participate effectively in the _. When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of

21、common goals, and a stronger commitment to the success of the new system. RAD is a team-based technique that speeds up information systems development and produces a functioning information system. While the end product of JAD is a(an) _, the end product of RAD is the _. The RAD model consists of fo

22、ur phases. During the _, users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.（分数：15.00）A.structured analysisB.object-oriented analysisC.prototype analysisD.process analysisA.initial scope definitionB.requirements modeling pr

23、ocessC.object modeling processD.architecture design processA.data flow diagramB.entity relationship modelC.requirements modelD.object modelA.system proposalB.system design modelC.new system architectureD.new information systemA.requirements planning phaseB.user design phaseC.construction phaseD.cuto

24、ver phaseFeasibility should be measured throughout the life cycle of system development. The scope and complexity of an apparently feasible project can change after the initial problems and opportunities are fully analyzed of after the system has been designed. Thus, a project that is feasible at on

25、e point may become infeasible later. The first feasibility analysis is conducted during the _. The _ represents a major feasibility analysis activity since it charts one of many possible implementations as the target for systems design. _ is a measure of how well the solution will work in the organi

26、zation. It is also a measure of how people feel about the system. When it is determined in the later stages of the system life cycle, _ is often performed with a working prototype of the proposed system. This is a test of the system“s user interfaces and is measured in how easy they are to learn and

27、 to use and how they support the desired productivity levels of the users. Economic feasibility has been defined as a cost-benefit analysis. The _ technique is a simple and popular method for determining if and when an investment will pay for itself.（分数：15.00）A.problem analysis phaseB.preliminary in

28、vestigation phaseC.requirements analysis phaseD.decision analysis phaseA.problem analysis phaseB.preliminary investigation phaseC.requirements analysis phaseD.decision analysis phaseA.Operational feasibilityB.Technical feasibilityC.Schedule feasibilityD.Economic feasibilityA.performance analysisB.co

29、ntrol analysisC.usability analysisD.interface analysisA.payback analysisB.return-on-investment analysisC.present valueD.time value of money系统分析师-7 答案解析(总分：100.00，做题时间：90 分钟)一、单项选择题(总题数：7，分数：100.00)The _ is a general description of the architecture of a workflow management system used by the WFMC, in

30、 which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several _. In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a _, which

31、 consists of _ indicated using a circle, and _ shown as a rectangle. These two components can be linked by means of a directed arc.（分数：10.00）A.waterfall modelB.workflow reference model C.evolutionary modelD.spiral model解析：A.workflow engines B.processesC.workflow threadsD.tasks解析：A.PERT diagramB.DFDC

32、.Petri Net D.ER diagram解析：A.positionsB.resourcesC.conditionsD.places 解析：A.transitions B.transformationsC.transmittersD.changes解析：工作流参考模型是 WFMC 对工作流管理系统架构的通用描述，在这个模型中，对主要组件和相关接口进行了概括。工作流例行服务是工作流系统的核心，由几个工作流引擎组成。在工作流系统中，过程是使用过程定义工具来加以说明的。通常情况下，过程通过 Petri 网的术语来进行定义，其中包括位置(用圆圈表示)和变迁(用矩形表示)，这两个组件通过带箭头的弧相

33、连。Accelerated analysis approaches emphasize the construction of _ to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology, _ reads the program code and automatically generates the equivalent system model, and the code can be obtained from _. Al

34、l system analysis approaches require some form of _ which includes those techniques to be used to identify or extract system problems and solution requirements from user community. _ is a classical set of techniques used to collect information about system problems, opportunities, solution requireme

35、nts, and priorities.（分数：15.00）A.object modelsB.prototypes C.use casesD.components解析：A.extreme programmingB.model drivenC.reverse engineering D.agile method解析：A.existing database and application programB.application program and user interfaceC.existing database and user interfaceD.existing database,

36、application program and user interface 解析：A.requirement discovery B.business process redesignC.cause-and-effect analysisD.total quality management解析：A.Continuous process improvementB.Joint requirements planningC.Fact-finding D.Structured engineering解析：加速分析方法强调构建原型来更快速地识别新系统的业务需求和用户需求。作为一种加速分析技术，逆向工程

37、可以通过阅读程序代码，然后自动生成等价的系统模型，这些可以从已经存在的数据库、应用程序和用户接口中获得。所有的系统分析方法都需要某些形式的需求挖掘方法，包括那些用来从用户群体中识别或抽取系统问题和解决需求的技术。事实发现(实情调查)是一组经典的技术，用来收集关于系统问题、机会、解决需求和优先级的信息。Many of the activities performed during the preliminary investigation are still being conducted in _, but in much greater depth than before. During t

38、his phase, the analyst must become fully aware of the _ and must develop enough knowledge about the _ and the existing systems to enable an effective solution to be proposed and implemented. Besides the _ for process and data of current system, the deliverable from this phase also includes the _ for

39、 the proposed system.（分数：15.00）A.analysis phase B.design phaseC.implementation phaseD.maintenance phase解析：A.main symptomB.root problem C.final blueprintD.data specification解析：A.hardware environmentB.testing environmentC.software environmentD.business environment 解析：A.logical models B.physical models

40、C.design modelsD.implementation models解析：A.hardware and software specificationB.system performance specificationC.formal requirements definition D.general problem statement解析：初始调查阶段的许多活动仍然会在分析阶段进行，但会比前面更为深入。在这个阶段，分析师必须认识到根本性问题，并且必须获取足够的关于业务环境和现有系统的知识，以便提出和实现一种有效的解决方案。除了现有系统过程与数据的逻辑模型外，这一阶段的交付物还包括所建议

41、系统的形式化需求定义。System analysis is traditionally done top-down using structured analysis based on _. Object-oriented analysis focuses on creation of models. The three types of the analysis model are _. There are two substages of object-oriented analysis. _ focuses on real-world things whose semantics the

42、 application captures. The object constructed in the requirement analysis shows the _ of the real-world system and organizes it into workable pieces. _ addresses the computer aspects of the application that are visible to users. The objects are those which can be expected to vary from time to time q

43、uite rapidly.（分数：15.00）A.functional decomposition B.object abstractionC.data inheritanceD.information generalization解析：A.function model, class model and state modelB.class model, interaction model and state model C.class model, interaction model and sequence modelD.function model, interaction model

44、and state model解析：A.Static analysisB.Semantic analysisC.Scope analysisD.Domain analysis 解析：A.static structure B.system componentsC.data flowsD.program procedures解析：A.Program analysisB.Function requirementC.Application analysis D.Physical model解析：传统的系统分析以功能分解为基础，利用结构化分析自顶向下完成。面向对象分析关注于模型的创建。该分析模型有三种类

45、型：类模型、交互模型和状态模型。面向对象分析有两个子阶段。领域分析侧重于现实世界中那些语义被应用程序获取的事物。在需求分析中所构造的对象说明了现实世界系统的静态结构并将其组织为可用的片段。应用分析处理应用系统中用户可见的计算机问题。所分析的对象可能会被预计时不时地发生较快的变化。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

46、 team investigates any current system, identifies _, and develops a concept for the new system. This phase has three steps: first, _ is developed to guide the project team“s efforts. It usually includes an analysis of the current system and its problems, and the ways to design a new system. The next

47、 step is _. The analysis of this informationin conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system. The system concept is then used as a basis to develop a set of business analysis models that describe show the business will op

48、erate if the new system were developed. The set of models typically includes models that represent the _ necessary to support the underlying business process. Last, the analyses, system concepts, and models are combined into a document called the _,which is presented to the project sponsor and other key decision makers that decide whether the project should continue to move forward.（分数：15.00）A.improvement opportunities B.logical modelC.system requirementsD.system architecture解析：A.a user manualB.an analysis strategy C.an analysis use caseD.a design user case解析：A.project