PMP认证考试练习题及参考答案（二十九）

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1 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.
ans:A
2 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). 来源：www.examda.com
D Scheduled time (LF - ES).
E Event.
ans:D
3 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.
ans:A
4 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
ans:C
5 In crashing a task, you would focus on:
A As many tasks as possible.
B Non critical tasks. http://ks.examda.com
C Accelerating performance of tasks on critical path.
D Accelerate performance by minimizing cost.
E A and D.
ans:C
6 Using the problem stated in the Special window, Calculate the expected value of duration (in days) using the PERT concept of the expected duration of a task
A 8
B 8.8
C 9.1
D 9.7
E 10.5
ans:B
7 Using the WBS in the Special window, an instance of a work package is:
A Build house
B Excavate
C Prepare Foundation
D B and C
E None of the above 来源:考试大网
ans:E
8 All of the following are categories of a milestone in a schedule except:
A End date.
B Contract dates.
C Key events scheduled.
D Imposed dates.
E Task duration.
ans:E
9 The actual configuration of a PERT/CPM network _____ the amount of resources that can be devoted to the project.
A Increases.
B Is not affected by
C Does not require
D Is heavily dependent upon
E Is the only means of determining
ans:D
10 Excessive flexibility in specifying requirements will _____ the likelihood of time overruns.
A Reduce.
B Eliminate.
C Double
D Increase
E Not affect
ans:D
11 The key purpose of project control is to:
A Plan ahead for uncertainties.
B Generate status reports.
C Keep the project on track.
D Develop the project road map.
E All of the above. 来源:考试大网
ans:C
12 Fast tracking means to:
A Speed up a project through parallel tasks.
B Swap one task for another.
C Reduce the number of tasks if possible.
D B and C.
E None of the above.
ans:A