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Sunt unele intrebari in examenul de PMP® care teoretic ar trebui sa fie mai usoare pentru ca implica doar algoritmi si calcule. Din aceasta categorie fac parte si intrebarile cu Network Diagrams. Nu sunt multe intrebari in examen cu acest topic, maxim 5 intrebari, insa sunt puncte care ar trebui marcate usor in categoria raspunsuri corecte.
Iata mai jos un test de 15 intrebari care adreseaza o parte din tematica referitoare la Network Diagrams si in care am urmarit sa ating mai multe forme de reprezentare (AON, AOA), diferite forme de rezolvare (bazate pe Duration sau Days) dar si cateva intrebari mai speciale care contin capcane care ar putea sa creeze dificultati in examen.
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Question 1 of 15
1. Question
From the table below what is the planned project duration?
Correct
Incorrect
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Question 2 of 15
2. Question
From the table below what is the slack of activity E?
Correct
Incorrect
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Question 3 of 15
3. Question
After the planning, you propose to the customer a schedule based on the following table:
The customer argues and you agree that is not necessary to have completed activity B in order to start activity C, so you remove the dependency between activities B and C. Considering this update, what will be the slack of the activity C?
Correct
Incorrect
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Question 4 of 15
4. Question
From the diagram below what is the free float of activity D, if the project should be finished in 20 days? (all durations are in days. As an example activity A has a planned duration of 5 days.)
Correct
Incorrect
No need to perform a forward and backward pass on this diagram to solve the question. The free and total float of activity D must be 0 since activity D is on the critical path. Activity D must be on critical path since there is no other way through the network but to go through activity D.
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Question 5 of 15
5. Question
From the diagram below what is the total float of activity C, if the project should be finished in 22 days? (all durations are in days. As an example activity A has a planned duration of 5 days.
Correct
Incorrect
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Question 6 of 15
6. Question
You are working with your project management staff to determine dependencies between activities. As result of the first planning iteration you get the diagram below:
After a careful review with a key expert, you agree that is not necessary to complete activity C in order to start activity D but is mandatory to have activity C completed before the start of activity G. So the network diagram is updated accordingly. What will be the effect on the project?
(all durations are in days. As an example activity A has a planned duration of 5 days.)Correct
Why is not “Activity G will be delayed”: to talk about a delay you should have actuals and it’s not the case. You are still in planning without any executing process run to have actuals.
Why is not “There will be no effect”: even I agree is not an effect on the critical path, you cannot say that will be no effect on the project (at all) since a dependency will be removed and another dependency appears.
Whys is not “The critical path will change”: because the critical path remains the same: A-B-D-E.The diagram before review with the key expert:
The diagram after review with the key expert:
Incorrect
Why is not “Activity G will be delayed”: to talk about a delay you should have actuals and it’s not the case. You are still in planning without any executing process run to have actuals.
Why is not “There will be no effect”: even I agree is not an effect on the critical path, you cannot say that will be no effect on the project (at all) since a dependency will be removed and another dependency appears.
Whys is not “The critical path will change”: because the critical path remains the same: A-B-D-E.The answer is: The slack of activity C will change
The diagram before review with the key expert:
The diagram after review with the key expert:
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Question 7 of 15
7. Question
The management imposed that the project should be finished in 19 days.
Based on the table below what is the project float? (all the durations are estimated in days)
Correct
A-B-D-E = 20 days
A-B-D-F = 16 days
A-B-D-G = 14 days
A-C-G = 14 daysSo the critical path is A-B-D-E = 20 days. If the project should be completed in 19 days, the project float is – 1.
Incorrect
A-B-D-E = 20 days
A-B-D-F = 16 days
A-B-D-G = 14 days
A-C-G = 14 daysSo the critical path is A-B-D-E = 20 days. If the project should be completed in 19 days, the project float is – 1.
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Question 8 of 15
8. Question
The project should be finished in 24 days.
Based on the table below and considering the project starts on Day 1, what day is the late start of activity C? (all the durations are estimated in days)Correct
Incorrect
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Question 9 of 15
9. Question
You know that the early start of activity C is Day 5, the estimated duration of activity C is 2 and the late finish of activity C is Day 4. Therefore you can conclude:
Correct
Why is not: “The late start of activity C is Day 2”. Because if the late start of activity C will be Day 2 then the late finish will be Day 3, not Day 4 (the duration of activity C is 2)
Why is not: “Activity C is delayed”. Because we don’t have any data regarding the actuals. “The delay” can appear only when an actual is compared with a baseline.
Why is not: “Activity C is on the critical path”. While it has a negative float there may be other activities that have a larger negative float.If the Early Start is Day 5 and duration is 2 days that means the Early Finish will be end of Day 6. Considering that the Late Finish is Day 4, the slack of activity C is negative 2 days.
Incorrect
Why is not: “The late start of activity C is Day 2”. Because if the late start of activity C will be Day 2 then the late finish will be Day 3, not Day 4 (the duration of activity C is 2)
Why is not: “Activity C is delayed”. Because we don’t have any data regarding the actuals. “The delay” can appear only when an actual is compared with a baseline.
Why is not: “Activity C is on the critical path”. While it has a negative float there may be other activities that have a larger negative float.If the Early Start is Day 5 and duration is 2 days that means the Early Finish will be end of Day 6. Considering that the Late Finish is Day 4, the slack of activity C is negative 2 days.
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Question 10 of 15
10. Question
Based on the table below and considering the project starts on Day 1, what Day is the early start of activity G? (all the durations are estimated in days)
Correct
Incorrect
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Question 11 of 15
11. Question
Based on the table below and considering the project starts on Day 1, what Day is the early start of activity C? (all the durations are estimated in days)
Correct
Incorrect
Be careful: the project starts on Day 1 not on Day 0! If an activity have a planned end on Day X (that means end of Business Day X) and then the next activity (finish to start dependency) will have a planned start on Day X+1.
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Question 12 of 15
12. Question
Based on the table below and considering the project starts on Day 1, what Day is the late start of activity E? (all the durations are estimated in days)
Correct
Incorrect
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Question 13 of 15
13. Question
From the table below what is the planned project duration?
Correct
Start-A-B-D-E-Finish = 21 days
Start-A-B-D-F-Finish = 19 days
Start-A-B-D-G-Finish = 22 days
Start-A-C-G-Finish = 15 daysSo the critical path is Start-A-B-D-G-Finish = 22 days
Incorrect
Start-A-B-D-E-Finish = 21 days
Start-A-B-D-F-Finish = 19 days
Start-A-B-D-G-Finish = 22 days
Start-A-C-G-Finish = 15 daysSo the critical path is Start-A-B-D-G-Finish = 22 days
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Question 14 of 15
14. Question
Based on the table below and considering the project starts on Day 1, the project will be completed in the day:
Correct
Incorrect
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Question 15 of 15
15. Question
Based on the table below and considering the project starts on Day 1 and should be completed in 24 days, what is the float of activity D?
Correct
Incorrect
