30 Manage Schedule Questions Answer and Explanation

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Question 1 - ID: 711931
You are working as a project manager for a wind-powered vehicle manufacturing project which is in its planning phase. You carefully gathered all your requirements from your key stakeholders and prepared a system requirements specification and project requirements specification. While presenting your specifications to the project team, an enthusiastic project team member started talking about the duration estimates for each activity. Which of the following statements indicates your response to your team member?
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Answer and explanation:
Estimating activity durations is done during the planning phase of a project. Since you have just developed the requirements, the scope must be defined and the WBS must be created immediately. Based on the wbs, activities must be defined and sequenced. After sequencing, resources and duration for each activity must be estimated. Therefore, explain to your team member which activities must be done before estimating durations: scope definition, wbs creation, activity definition, and activity sequencing.
Question 2 - ID: 801751
The project management team expects that during the course of the project there could be delays in component delivery due to strikes, changes to the permitting processes, or extensions of specific engineering durations. What analysis could be helpful in preparing contingency and response plans to mitigate these issues?
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Answer and explanation:
What-if scenario analysis is used to assess the feasibility of the project schedule under adverse conditions. This is an analysis of the question "what if the situation represented by scenario 'x' happens?" it is used in preparing contingency and response plans to mitigate the impact of adverse conditions.
Question 3 - ID: 711674
You have been asked to determine the early start and finish dates for the activities that make up a project. What would be the BEST technique to use?
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Answer and explanation:
The critical path method is a technique that calculates the earliest and latest possible start and finish times for work activities in a project.
Question 4 - ID: 761226
In a project, Activity A has a duration of four days and begins on the morning of Monday the fourth. The successor Activity, B, has a Finishto-Start (FS) relationship with A. The Finish-to-Start relationship has two days of lag, and Activity B has a duration of three days. If Saturday and Sunday are non-working days, which of the following statements is true?
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Answer and explanation:
Activity a has a duration of 4 days and completes by end of the day on thursday, 7th. There is a 2-day lag, and since saturday and sunday are non-working, activity b can begin only on tuesday, 12th. Activity b has a duration of 3 days and completes by end of the day on thursday, 14th.
Question 5 - ID: 861638
Which process is MOST responsible for managing changes to the schedule components of the Project Management Plan?
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Answer and explanation:
The control schedule is the process of managing the changes to the schedule baseline to achieve the project management plan.
Question 6 - ID: 161239
A technique that iterates the project schedule many times to calculate a distribution of possible project completion dates is:
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Answer and explanation:
Monte carlo analysis is a technique that computes or iterates the project cost or the project schedule many times, using input values selected at random from probability distributions of possible costs or durations. In this way, one can calculate a distribution of possible total project costs or completion dates.
Question 7 - ID: 981937
James has been managing a hotel construction project on a busy street. He is in the process of estimating activity durations for building walls, and he calculates the most likely estimate as 15 days. If prefabricated material is used, it would take no more than 12 days to finish the work. The work may be delayed and could take up to 18 days if less experienced construction workers build the walls. What is the expected duration of building walls using the three-point estimate?
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Answer and explanation:
If the engineer is correct, the optimistic estimate can be taken as 12 days. The pessimistic estimate is still 18 days and the most likely estimate is 15 days. Using the pert or the three-point technique, the expected activity duration is calculated using the formula te = (tO + tM + tP)/3, where te is the estimated duration, tO is the optimistic duration, tM is the most likely duration and tP is the pessimistic duration. Hence, tE = (12 + 15 +18)/3 = 15 days.
Question 8 - ID: 601142
A project manager estimates the work to be accomplished in the near term in detail at a low level of the Work Breakdown Structure (WBS). He estimates work far in the future as WBS components that are at a relatively high level of the WBS. What is this technique called?
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Answer and explanation:
In rolling wave planning, the work to be accomplished in the near term is estimated in detail at a low level of the work breakdown structure (WBS), while the work far in the future is estimated as wbs components that are at a relatively high level of the wbs. The work to be performed within another one or two reporting periods in the near future is planned in detail during the current period.
Question 9 - ID: 761232
While planning the schedule for your project, you frequently refer to the project calendar. The project calendar is:
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Answer and explanation:
A project calendar is a calendar of working days or shifts that establishes those dates on which schedule activities are worked. It also establishes non-working days that determine dates on which schedule activities are idle, such as holidays, weekends and non-shift hours.
Question 10 - ID: 601505
As part of Define Activities, you are looking at dependencies used to define the sequence among the activities. Which of these is not a valid type of dependency?
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Answer and explanation:
Linked dependency is not a valid type of dependency. The other three choices are valid types of dependencies.
Question 11 - ID: 951725
Activity attributes extend the description of the activity by identifying various components associated with the activity. Typically, how many attributes are associated with each activity?
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Answer and explanation:
Activity attributes can vary by application area. Components for each activity change over time. Initially they may include activity id, WBS id, and activity name. Later, they may include activity codes, activity description, predecessor activities, successor activities, logical relationships, leads, lags, resource requirements, imposed dates, constraints, and assumptions.
Question 12 - ID: 641145
A technical team can begin to edit a large document 15 days after it begins writing it. What kind of dependency would this represent?
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Answer and explanation:
The relationship between the two tasks would be represented as a Start-to-Start with a lag of 15 days. A lag directs a delay in the successor activity.
Question 13 - ID: 151948
In a small office construction project, the following activities are scheduled in sequence. i) Digging and pouring footings: five days. ii) Working on the slab and pouring: three days. iii) Framing the floor: five days. iv) Wall framing: four days. v) Roof framing: six days. vi) Insulation and drywall: seven days. vii) Interior doors and trim: three days. viii) Hardware and fixtures: two days. What is the minimum time to complete the project if all activities are on a critical path except activity viii, and activity iii is delayed by one day?
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Answer and explanation:
A critical path has a zero total float. This means that any delay in the critical path activity delays the project finish date. In other words, the critical path gives the minimum time required to complete a project. In this case, adding the durations for all critical path activities gives the minimum time required as 33 days. If activity iii is delayed by one day, then the minimum time required to complete the project will also be delayed by one day, so the minimum time becomes 34 days.
Question 14 - ID: 151724
While sequencing activities for a project, the project management team applied certain discretionary dependencies. This was based on their knowledge of best practices within the project application area. What is the potential risk involved in using such dependencies?
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Answer and explanation:
Discretionary dependencies are established based on the knowledge of best practices within a specific application area. This is done to achieve a specific sequence even though there are other options. The risk is that they may cause arbitrary float values and later limit scheduling options because of the specific sequencing chosen.
Question 15 - ID: 521022
Which of these types of precedence relationships is least commonly used in the Precedence Diagramming Method?
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Answer and explanation:
Start to finish relationships indicate that the next task cannot be completed until the one preceding it has started. This type is not commonly used.
Question 16 - ID: 741696
Linda is a first-time project manager and is analyzing a project schedule. She intends to apply resource leveling, and she has the following guidelines on Resource Leveling. Which of these four statements is incorrect?
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Answer and explanation:
Resource leveling is a schedule network analysis technique. It is applied to a schedule that has already been analyzed by the critical path method.
Question 17 - ID: 851330
You are running one week behind on a project due to a late delivery by a vendor. You are forced to compress your project schedule due to a government-mandated end date that constrains your project. After meeting with your team, the decision is to work several tasks in parallel that were scheduled to be run consecutively. This is an example of:
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Answer and explanation:
The example provided is the definition of fast tracking. An example of crashing the schedule is doubling the amount of resources so the task(s) can be done in half the originally scheduled time.
Question 18 - ID: 301673
Which technique is NOT commonly used to align the timing of activities with available resources?
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Answer and explanation:
The critical path method is not a technique commonly used to align the timing of activities with available resources. The critical path method is a technique used to establish a rough timeline fitting the project's work activities within the deadlines defined in the scope statement.
Question 19 - ID: 521320
A technique that calculates multiple project durations with different sets of activity assumptions and variables is:
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Answer and explanation:
This technique is known as simulation. Project simulations use computer models and estimates of risk (usually expressed as a probability distribution of possible costs or durations at a detailed work level) and are typically performed using monte carlo analysis.
Question 20 - ID: 821039
The technique most commonly used by project management software packages to construct a project schedule model is:
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Answer and explanation:
The method used by most project management software packages to construct a project schedule model is precedence diagramming method. This method uses boxes or rectangles, called nodes, to represent activities. It connects the nodes with arrows showing the logical relationships among them.
Question 21 - ID: 181283
You are the project manager responsible for building a 100,000-squarefoot data center. One of the scheduled activities in your plan is to install the Computer Room Air Conditioning (CRAC) units. However, a raised floor must be installed in the data center before installation of the units can begin. This is an example of what type of precedence relationship?
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Answer and explanation:
The successor activity, in this case the installation of the crac units, cannot begin until the raised floor in the data center is completed (because the units need to sit on the raised floor). Therefore, this is an example of a finish-to-start relationship.
Question 22 - ID: 551233
As a project manager, you are in the process of preparing the project schedule for the project. Which of the following accurately depicts the sequence of your activities before you began to prepare the project schedule?
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Answer and explanation:
The correct sequence of processes in the schedule management knowledge area is: plan schedule management, define activities, sequence activities, estimate activity durations, develop schedule, and control schedule.
Question 23 - ID: 821391
Your company is way behind schedule in the deployment of a government-mandated change to a health care processing system that must be in production by the end of the year. To meet the due date, you and your team have met and decided to hire an additional 50 programmers to work with the existing staff. This is an example of what?
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Answer and explanation:
Crashing is a specific type of project schedule compression technique performed by taking action to decrease the total project schedule duration. Typical approaches to crashing a schedule include reducing activity durations and increasing the assignment of resources.
Question 24 - ID: 772003
All the following are tools of the Control Schedule process except:
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Answer and explanation:
Leads and lags, schedule compression and critical path method are tools in the control schedule process. Parametric estimating is not a tool of this process.
Question 25 - ID: 621339
You are managing a project that has a task to translate several pages of a document into Spanish. This is similar to a project done last year when a document was translated into German. You are not sure how long it will take to translate into Spanish, so you look at the project plan from the German translation and use that activity duration for your current project. What type of estimating is this an example of?
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Answer and explanation:
This is an example of analogous estimating, because you went back to an old schedule of a similar project to get the estimate. Parametric estimating would be correct if you used the number of words translated (e.g., translating 1000 words takes 1 hour).
Question 26 - ID: 181071
If you want to compress a project schedule, what are two of the recommended alternatives to consider?
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Answer and explanation:
Crashing and fast tracking can compress the project's schedule when necessary, but might come at a higher cost and rework potential.
Question 27 - ID: 742012
A project manager has just started planning his project. If he has only limited information about the project, he should use the following technique to estimate the duration for each activity using historical data from a similar project:
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Answer and explanation:
When there is a limited amount of information available about a project, analogous estimating is used to estimate the activity durations. This estimating technique uses parameters such as budget, complexity and size from previous projects to estimate the duration.
Question 28 - ID: 731127
Most project management software packages use a method of constructing a project schedule network diagram known as:
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Answer and explanation:
Pdm uses nodes to represent activities and connects the activities with arrows to show dependencies. The rest of the choices are not valid schedule network diagraming techniques.
Question 29 - ID: 871913
Jane is worried about her project because many of her tasks are moving slowly, and two critical tasks may slip. She conducts a thorough resource analysis and finds out that there are five people who will be free next week. She would like to assign those people to finish her tasks early and prevent the project completion date from slipping. This is an example of:
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Answer and explanation:
Adding more resources to scheduled tasks in order to compress the task durations is called crashing.
Question 30 - ID: 291356
A manager asked to see a list of milestones in the project. This would be available as an output from the:
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Answer and explanation:
The milestone list is available as an output from the define activities process.

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