2010年PMP美国项目管理考试习题及答案三十一

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QUEST Network schedules are prepared during the _____ phase and updated during the _____ phase. 
A Conceptual, execution. 
B Development, implementation. 
C Development, close-out. 
D Implementation, close-out. 
E Planning, finishing. 
参考答案：B

QUEST Scheduling systems such as PERT, ADM, and PDM are project management tools to be used by: 
A The project manager and project office personnel. 
B The project team  and functional managers. 
C The project sponsor. 
D All of the above. 
E A and B only. 
参考答案：E

QUEST Increasing resources on the critical path activities may not always shorten the length of the project because: 
A Certain activities are time-dependent rather than resource-dependent (i.e., using three ovens rather than one to bake a cake). 
B Safety, OSHA and EPA may have placed restrictions on the number of people used on certain activities or in the physical location of the project. 
C The skill level of the added resources might not be appropriate for the activities to be performed. 
D Adding more resources may create additional work and produce inefficiencies (i.e., additional people may need training and supervision.) 
E All of the above. 
参考答案：E

QUEST A line manager provides you with three estimates for his activity in your PERT network.  His estimates are 2 weeks optimistically,  4 weeks most likely, and 12 weeks pessimistically.  The expected time which would appear on the chart would be: 
A 4 weeks 
B 5 weeks 
C 6 weeks 
D 7 weeks 
E None of the above. 
参考答案：B

QUEST Management has decided to "crash" a project in order to avoid penalty payments for late deliveries.  To crash the project, either overtime or additional resources should be assigned to: 
A All activities. 
B Only those activities with the longest time durations. 
C Those activities on the critical path begining with the longest time duration activities. 
D Those activities with the greatest degree of risk. 
E None of the above. 
参考答案：C

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