4. You have been assigned to manage a project in your organization to design develop and implement an ERP system. You will contract with and outside vendor to supply the ERP software. You realize that detailed planning for these types of real-time system is a prerequisite for success and form a team of key stakeholders to help prepare the plan. To assist in project plan development, you should use: A. Make-or-buy analysis B. Lesson learned and other historical information from previous projects C. Benefit-cost analysis D. The project management information system Answer is D. 对于project plan development. B is input, D is tool.我该怎样识别问的是输入还是工具?
5. Because you recognize the importance of cost control, you identified a number of acceptable tolerances as part of your EVM system. Project change us inevitable, and some ‘unacceptable’ variances occurred. After each ‘unacceptable’ variance occurred, you did which one of the following first? A. Updated the budget B. Prepared a revised cost estimate C. Adjusted the project plan D. Documented the lesson learned Answer is D.为什么不是A? 当有不可接受的变化发生,说明成本基线需要调整。B and D 都是output of cost control.