PMI PMP-Project Management Professional Practice Exam Q. 1031 to 1040
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Set of 10 Questions
Correct Answer has been Highlighted in RED
Q. 1031: All the following statements regarding critical chain method are true EXCEPT:
A. It modifies the schedule to account for limited resources
B. The first step is to use conservative estimates for activity durations
C. Duration buffers are added on the critical path
D. It focuses on managing buffer activity durations
Section: Mix Questions
Justification in favor of the correct answer:
When using critical chain techniques, the initial project schedule is developed using duration estimates with required dependencies and defined constraints as inputs.
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Q. 1032: You are managing a new technology project designed to improve the removal of hazardous waste from your city. You are in the planning phase of this project and have prepared your network diagram. Your next step is to:
A. Describe any unusual sequencing in the network
B. State the number resources required to complete each activity
C. Establish a project calendar and link it to individual resource calendar
D. Determine which schedule compression technique is the most appropriate, because your customer requests that the project be completed as soon as possible
Section: Mix Questions
Justification in favor of the correct answer:
A summary narrative can accompany the schedule network diagram and describe the approach used to sequence the activities in the network. This narrative also should describe any unusual sequences in the network.
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Q. 1033: The risk register may need to be updated as an output of which the following process:
A. Define activities
B. Sequence activities
C. Estimate activity resources
D. Control schedule
Section: Mix Questions
Justification in favor of the correct answer:
The risk register may require updates in both the sequence activities and develop schedule processes. In the sequence activity process, the activity lists and activity attributes may need updates as well.
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Q. 1034: You are managing a project that will use a virtual team with team members on three different continents. Your company is looking to use the virtual team to provide a lower cost product by using resources in countries that have a favorable exchange rate to that of your country. To assist in this process as you estimate resource requirements, it is helpful to consider:
A. Bottom-up estimating
B. Published estimating data
C. Analogous estimating
D. Reserve analysis
Section: Mix Questions
Justification in favor of the correct answer:
In estimating activity resources, published estimating data is a tool and technique that is used as many companies routinely publish updated production rates and unit costs of resources. This includes labor trades, material, and equipment for different countries and geographic locations in these countries.
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Q. 1035: Activity A has a pessimistic (P) estimate of 36 days, a most likely (ML) estimate of 21 days, and an optimistic (0) estimate of 6 days. What is the probability that activity A will be completed in 16 to 26 days?
A. 55.70 percent
B. 68.26 percent
C. 95.46 percent
D. 99.73 percent
Section: Mix Questions
Justification in favor of the correct answer:
First, compute the standard deviation:
Next, compute PERT expected time:
Finally, determine range of outcomes using 1: 21-5 = 16 days, and 21+5 = 26 days
Simply defined, 1 is the amount on either side of the mean of a normal distribution that will contain approximately 68.26 percent of the population.
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Q. 1036: You are managing a project to redesign a retail store layout to improve customer throughput and efficiency. Much project work must be done on site and will require the active participation of store employees who are lifelong members of a powerful union with a reputation for labor unrest. One important component of your schedule must be:
A. A resource capabilities matrix
B. Buffers and reserves
C. A resource calendar
D. A resource histogram
Section: Mix Questions
Justification in favor of the correct answer:
Project and resource calendars identify periods when work is allowed. Project calendars affect all resources. Resource calendars affect a specific resource or a resource category, such as a labor contract that requires certain workers to work on certain days of the week.
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Q. 1037: To account for uncertainty in a schedule, reserve analysis may be used. All the following are examples of contingency reserves EXCEPT:
A. Fixed number of work periods
B. Percent of the estimated activity duration
C. Buffers
D. Productivity metrics
Section: Mix Questions
Justification in favor of the correct answer:
Duration estimates may include contingency reserves, and contingency should be identified clearly in schedule documentation. They are built into the overall project schedule to account for uncertainty. They also may be developed using quantitative analysis methods. When more information is known about the project, the contingency reserve may be used, reduced, or eliminated.
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Q. 1038: The reason that the schedule performance index (SPI) is shown as a ratio is to:
A. Enable a detailed analysis of the schedule regardless of the value of the schedule variance
B. Distinguish between critical path and noncritical path work packages
C. Provide the ability to show performance for a specified time period for trend analysis
D. Measure the actual time to complete the project
Section: Mix Questions
Justification in favor of the correct answer:
Because schedule performance index (SPI) and cost performance index (CPI) are expressed as ratios, they can be used to show performance for a specific time period or trends over a long-time horizon.
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Q. 1039: You are using earned value progress reporting for your current project in an effort to teach your software developers the benefits of earned value. You plan to display project results on the cafeteria bulletin board so that the team knows how the project is progressing.
PV = $2,200 EV = $2,000 AC = $2,500 BAC = $10,000
According to earned value analysis, the SV and status of the project described above is:
A. -$300; the project is ahead of schedule
B. +$8,000; the project is on schedule
C. +$200; the project is ahead of schedule
D. -$200; the project is behind schedule
Section: Mix Questions
Justification in favor of the correct answer:
SV is calculated as EV – PV (in this case, $2,000 – $2,200). A negative variance means that the work completed is less than what was planned for at that point in the project.
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Q. 1040: You are using earned value progress reporting for your current project in an effort to teach your software developers the benefits of earned value. You plan to display project results on the cafeteria bulletin board so that the team knows how the project is progressing.
PV = $2.200 EV = $2.000 AC = $2.500 BAC = $10.000
What is the CPI for this project, and what does it tell us about cost performance thus far?
A. 0.20: actual costs are exactly as planned
B. 0.80: actual costs have exceeded planned costs
C. 0.80: actual costs are less than planned costs
D. 1.25: actual costs have exceeded planned costs
Section: Mix Questions
Justification in favor of the correct answer:
CPI is calculated as EV/AC (in this case. $2.000/$2.500). EV measures the budgeted dollar value of the work that has actually been accomplished, whereas AC measures the actual cost of getting that work done. If the two numbers are the same, work on the project is being accomplished for exactly the budgeted amount of money (and the ratio will be equal to 1.0). If actual costs exceed budgeted costs (as in this example). AC will be larger than EV, and the ratio will be less than 1.0, CPI is also an index of efficiency. In this example, an index of 0.80 (or 80 percent) means that for every dollar spent on the project only 89 cents worth of work is actually accomplished.
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