The main difference between the two types diagramming

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Chapter 5 / Exercise 15
Successful Project Management
Clements/Gido
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21.The main difference between the two types diagramming methods (ADM, arrow diagrammingmethod, and PDM, precedence diagramming method) of the critical path method (CPM) ofscheduling is:A.Placement of the activity on the logic diagram lineB.Arrow diagramming method (ADM) is a deterministic method, whereas the precedencediagramming method (PDM) is a probabilistic methodC.Precedence diagramming method (PDM) is a deterministic method, whereas the arrowdiagramming method (ADM) is a probabilistic methodD.Precedence diagramming method (PDM) is a more accurate method
(Ans.: A)
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Chapter 5 / Exercise 15
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Clements/Gido
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22. A risk has four possible outcomes. Given the following information, what is the expectedvalue of this risk?ProbabilityResult of Risk0.410,0000.37,5000.25,0000.12,500
23.The method used to collect information to use through all phases of the project life cycle iscalled:
Explanation: Please read Explanation for Question no. 11.
24. A project manager is looking at the risk associated with the project schedule. Realizing that ifthe risks occur the project will be delivered to the stakeholders late, the project managerdecides to consider the risk and promise delivery later than the most likely project completiondate. He then takes the time between the promise date and the most likely completion date anddistributes it among the activities of the project schedule. This creates float in the schedule.This process is called:A.Schedule delayB.Critical chain schedulingC.BufferingD.Contingency scheduling(Ans.: C)Explanation: The Critical Chain/Buffer Management (CC/BM) approach aims at the constructionof latest start schedules where the project activities use aggressive time estimates and puts aclear focus on the determination of a realistic project deadline. In order to keep the probabilityhigh that the project deadline will be met, the CC/BM approach protects the project durationand the critical chain of the project using various buffers.
25.Refer to the table. What is the critical path?

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