2010年PMP美國項目管理考試習題及答案二十五

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QUEST A(n) _____ is defined as a specified accomplishment  in a particular instant in time which does not consume time or resources. 
A Activity 
B Event. 
C Correlation 
D Constant 
E Event constrained within planned effort. 
參考答案：B

QUEST Which of the following impacts the critical path? 
A Changing the task duration. 
B Reduce the free float of an activity. 
C Executing a backward pass 
D A or B 
E None of the above. 
參考答案：A

QUEST The range of time allowed for an activity to be completed in is the _____. 
A Planned time (Duration). 
B Float time (LS - ES, or LF - EF). 
C Critical time (when ES = LS, or EF = LF). 
D Scheduled time (LF - ES). 
E Event. 
參考答案：D

QUEST Free float is the amount of time that an activity may be delayed with out affecting the _____. 
A Early start of the succeeding activities. 
B Late start of the succeeding activities. 
C Project finish. 
D Cost of the project. 
E None of the above. 
參考答案：A

QUEST Using the problem stated in the Special window, Calculate the deviation of duration for the task, using the PERT concept of standard deviation of task duration. 
A 0.5 
B 1 
C 1.8 
D 2.2 
E 2.8 
參考答案：C

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