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什么是敏感性分析（sensitivity analysis，又称灵敏度分析）？敏感性分析的主要目的是什么？
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The technique most commonly used to determine the profitability of a project includes _____ methods.A . Net present value (NPV).B . Return on investment (ROI).C . Discounted cash flow (DCF)D . Payout time and risk sensitivity analysis.E . All of the above.
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The formalization of management's attitude toward risk is called _____ .A Decision Theory.B Utility Theory.C Decision Tree Analysis.D Sensitivity Analysis.E Probability Analysis.
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Sensitivity analysis can be used in risk analysis to:A Substitute for uncertainty analysis in risk quantificationB estimate the level of risk aversion adopted by managementC estimate the effect of change of one project variable on the overall projectD A and BE All of the above.
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115 The technique most commonly used to determine the profitability of a project includes _____ methods.A. Net present value (NPV).B. Return on investment (ROI).C. Discounted cash flow (DCF)D. Payout time and risk sensitivity analysis.E. All of the above
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157 Sensitivity analysis can be used in risk analysis to:A. Substitute for uncertainty analysis in risk quantificationB. estimate the level of risk aversion adopted by managementC. estimate the effect of change of one project variable on the overall projectD. A and BE. All of the above
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(ii) Briefly explain the extent to which the application of sensitivity analysis might be useful in decidingwhich refrigeration system to purchase and discuss the limitations inherent in its use. (3 marks)
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(b) Using sensitivity analysis, estimate by what percentage each of the under-mentioned items, taken separately,would need to change before the recommendation in (a) above is varied:(i) Initial outlay;(ii) Annual contribution. (4 marks)
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(c) Using sensitivity analysis, estimate by what percentage the life cycle of the Snowballer would need to changebefore the recommendation in (a) above is varied. (4 marks)
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May be involved in the qualitative analysis of project risks(). A.Establish probability and influence matrix
B.Decision tree analysis
C.Sensitivity analysis
D.Modeling and simulation
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The stages within the development phase of the software life cycle are（ ）．
软件生命周期开发阶段的阶段是A.design,analysis,implementation,and testing
设计、分析、实现和测试B.analysis,design,implementation,and testing
分析、设计、实现和测试C.analysis,design,testing,and implementation
分析、设计、测试和实现D.design,analysis,testing,and implementation
设计、分析、测试和实现
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What is necessary for a subject to have read access to an object in a Multi-Level Security Policy?什么对于主体在多层安全策略中拥有对一个客体的访问权限是必要的？（）A、The subject's sensitivity label must dominate the object's sensitivity label.主体的敏感性标识必须支配客体的敏感性标识B、The subject's sensitivity label subordinates the object's sensitivity label.主体的敏感性标识从属于客体的敏感性标识C、The subject's sensitivity label is subordinated by the object's sensitivity label.主体的敏感性标识被客体的敏感性标识从属D、The subject's sensitivity label is dominated by the object's sensitivity label.主体的敏感性标识以客体的敏感性标识为主体
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Which of the following are necessary components of a Multi-Level Security Policy?下列哪一项是多级安全策略必需的组件？（）A、Sensitivity Labels for subjects objects and a "system high" evaluation.对主体和客体实施敏感性标识以及对其进行系统高的评价B、Security Clearances for subjects Security Labels for objects and Mandatory Access Control.对主体和客体安全标识的安全许可以及强制访问控制C、Sensitivity Labels for only objects and Mandatory Access Control.只针对客体的敏感性标识和强制访问控制D、Sensitivity Labels for subjects objects and Discretionary Access Control.对主体及客体的敏感性表情和自主访问控制
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单选题数值分析（Numerical Analysis）又称（）。A
数值计算B
科学计算C
数学分析D
数值科学
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