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PMP Exqam Preparation by: Jamil Faraj

PMP Exqam Preparation by: Jamil Faraj

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06 pmp time management exam Document Transcript

  • 1. you are here 4   311time managementExam Questions1. You’re managing a project, when your client tells you that an external problem happened, andnow you have to meet an earlier deadline. Your supervisor heard that in a situation like this, youcan use schedule compression by either crashing or fast-tracking the schedule, but he’s not surewhich is which. What do you tell him?Crashing the project adds risk, whileA. fast-tracking adds costWhen youB. crash a project, it always shortens the total duration of the projectCrashing the project adds cost, while fast-tracking adds riskC. When you fast-track a project, it always shortens the total duration of the projectD. 2. Given this portion of the network diagram to the right, what’s the ES of activity F?9A. 10B. 12C. 13D. 3. Given this portion of the networkdiagram to the right, what’s the LF of activity F?10A. 11B. 16C. 17D. 4. You are managing a software project. Your QA manager tells you that you need to plan to haveher team start their test planning activity so that it finishes just before testing begins. But otherthan that, she says it can start as late in the project as necessary. What’s the relationship betweenthe test planning activity and the testing activity?Start-to-Start (SS)A. Start-to-finish (SF)B. Finish-to-Start (FS)C. Finish-to-Finish (FF)D. 5. You’re managing an industrial design project. You’ve come up with the complete activity list,created network diagrams, assigned resources to each activity, and estimated their durations.What’s the next thing that you do?Use Rolling Wave Planning to compensate for the fact that you don’t have complete informationA. Create the scheduleB. Consult the project scope statement and performC. Sequence ActivitiesUse fast-tracking to reduce the total durationD. DES = 7 EF = 9LS = 3 LF = 4GES = 17 EF = 26LS = 17 LF = 26HES = 17 EF = 19LS = 11 LF = 13EES = 10 EF = 12LS = 3 LF = 4F............Download at Boykma.Com
  • 2. 312   Chapter 66. Which of the following is NOT an input to Develop Schedule?Activity listA. Project schedule network diagramsB. Resource calendarsC. Schedule baselineD. 7. Three members of your project team want to pad their estimates because they believe there are certainrisks that might materialize. What is the BEST way to handle this situation?Estimate the activities honestly, and then use aA. contingency reserve to cover any unexpected costsAllow more time for the work by adding aB. buffer to every activity in the scheduleTell the team members not to worry about it, and if the schedule is wrong it’s okay for the project to be lateC. Crash the scheduleD. 8. Which of the following tools is used for adding buffers to a schedule?Three-point estimatesA. B. Critical chain methodExpert judgmentC. Critical path analysisD. 9. What is the critical path in the activity list to the right?Start-A-B-C-FinishA. Start-A-D-E-F-FinishB. Start-G-H-I-J-FinishC. Start-A-B-J-FinishD. 10. What is the float for activity F in the activity list to the right?0A. 7B. 8C. 10D. 11. You’re managing an interior decoration project, when you find out that you need to get it done earlier thanoriginally planned. You decide to fast-track the project. This means:Starting the project sooner and working overtimeA. Assigning more people to the tasks at a greater total cost, especially for activities on the critical pathB. Starting activities earlier and overlapping them more, which will cost more and could add risksC. Shortening the durations of the activities and asking people to work overtime to accommodate that.D. Name Predecessor DurationStart — —A Start 6B A 4C B 8D A 1E D 1F E 2G Start 3H G 3I H 2J B, I 3Finish F, J, C —exam questionsExam QuestionsDownload at Boykma.Com
  • 3. you are here 4   313time management12. Slack is a synonym for:FloatA. LagB. BufferC. ReserveD. 13. You’re managing a construction project. You’ve decomposed work packages into activities, andyour client needs a duration estimate for each activity that you come up with. Which of the followingwill you use for this?Milestone listA. Activity listB. Critical path analysisC. Project schedule network diagramD. 14. What’s the correct order of the Time Management planning processes?A. Sequence Activities, Define Activities, Estimate Activity Resources, Estimate Activity Durations,Develop ScheduleDefine Activities, Sequence Activities, Develop Schedule, Estimate Activity Resources, EstimateB. Activity DurationsDefine Activities, Sequence Activities, Estimate Activity Resources, Estimate Activity Durations,C. Develop ScheduleD. Develop Schedule, Define Activities, Sequence Activities, Estimate Activity Resources, EstimateActivity Durations15. Which of the following is NOT a tool or technique used in Estimate Activity Durations?SWAG EstimationA. Parametric EstimationB. Analogous EstimationC. Three-Point EstimationD. 16. You’re managing a project to build a new project management information system. You work withthe team to come up with an estimate of 27 weeks. In the best case, this could be shortened by twoweeks because you can reuse a previous component. But there’s a risk that a vendor delay could causethe project to be delayed by five weeks. Use PERT to calculate a three-point estimate for this project.A. 25.83 weeks26 weeksB. 27.5 weeksC. 28.3 weeksD. Exam QuestionsDownload at Boykma.Com
  • 4. 314   Chapter 6Exam Questions17. Given the network diagram below, what’s the critical path?Start-A-B-C-EndA. Start-A-D-G-EndB. Start-E-D-C-EndC. Start-E-F-G-EndD. 18. For that same network diagram below, what’s the float for activity A?0 weeksA. 1 weekB. 2 weeksC. 4 weeksD. 19. For that same network diagram below, what’s the float for activity E?0 weeksA. 1 weekB. 2 weeksC. 4 weeksD. exam questionsStartEndABDCEG436281F1Download at Boykma.Com
  • 5. you are here 4   315time managementExam Questions20. You’re managing a software project, when your customer informs you that a schedule change isnecessary. Which is the BEST thing to do?Consult the schedule management planA. Notify the team and the sponsor that there’s going to be a schedule changeB. Influence the factors that cause changeC. Refuse to make the change because there’s already a schedule baselineD. 21. Your company has previously run other projects similar to the one you’re currently managing. What isthe BEST way to use that information?Check the organizational process assets for lessons learned and other information about the past projectsA. Use parametric estimation to estimate your project based on past projects’ performanceB. Start from scratch because you don’t want mistakes from past projects to influence youC. Reuse the project management plan from a past projectD. 22. You’re planning the schedule for a highway construction project, but the final date you came up withwill run into the next budget year. The state comes up with capital from a reserve fund, and now you canincrease the budget for your resources. What’s the BEST way to compress the schedule?Go back to your three-point estimates and use the most optimistic onesA. Use the extra budget to increase yourB. contingency reserveHire more experts to use expert judgment so your estimates are more accurateC. Crash the scheduleD. 23. You’re managing a software project. You’ve created the schedule, and you need to figure out whichactivities absolutely cannot slip. You’ve done critical path analysis, identifying the critical path andcalculating the early start and early finish for each activity. Which activities cannot slip without making theproject late?The ones with the biggest difference between ES and LFA. The activities on the critical pathB. The activity with the mostC. lagThe last activity in the project, because it has no floatD. 24. You’re managing a construction project. You’ve decomposed work packages into activities, and yourclient needs a duration estimate for each activity that you came up with. Which of the following BESTdescribes what you are doing?Evaluating each activity to figure out how much effort it will takeA. Estimating the number of person-hours that will be required for each activityB. Understanding, in calendar time, how long each activity will takeC. Estimating how many people it will take to perform each activityD. Download at Boykma.Com
  • 6. 316   Chapter 6Exam QuestionsAnswers1. Answer: CYou’ll definitely get some questions that ask you about crashing and fast-tracking, and it’s important to knowthe difference between them. When you crash the project, it means that you add resources to it, especiallyto the critical path. There’s no real risk in doing that—in the worst-case scenario, the extra people just sitaround!—but it does cost more. Fast-tracking means adjusting the schedule so that activities overlap. Thesame resources are doing the work, so it’s not going to cost more, but it’s definitely riskier, because nowyou’ve eliminated buffers and possibly broken some dependencies! And remember that crashing or fast-tracking won’t always work to make the project go faster!2. Answer: DCalculating the early start (ES) of an activity isn’t hard. All you need to do is look at the early finish (EF) of theprevious activity and add one. If there’s more than one predecessor, then you take the largest EF and add one.In this case, the predecessors to activity F are D, with an EF of 9, and E, with an EF of 12. So the ES of F is12 + 1 = 13.3. Answer: AIt’s just as easy to calculate the late finish (LF). Look at the following activity, take its LS (late start), andsubtract one. If there’s more than one following activity, use the one with the lowest LS. So for activity F in thequestion, the following activities are G, with an LS of 17, and H, with an LS of 11. So the LF of F is 11 - 1 = 10.4. Answer: CDon’t let the jargon fool you! You don’t need to know anything about software testing to answer this question.When you have two activities, and the first activity has to be timed so that it finishes before the second onestarts, then you’ve got a Finish-to-Start relationship, or FS.5. Answer: BThis is a Which-is-next question that describes a project that’s completed the Define Activities, SequenceActivities, Estimate Activity Resources, and Estimate Activity Durations processes. The next process in TimeManagement is Develop Schedule, which means that the next thing you do is create the schedule!Did answer A trick you? No need forrolling wave planning when you’ve gotenough info to define all the activities!exam answersDownload at Boykma.Com
  • 7. you are here 4   317time managementExam QuestionsAnswers6. Answer: DThe schedule baseline is an output of the Develop Schedule process, not an input. You should definitelyknow what goes into the schedule baseline: it’s a specific version of the schedule that you set aside anduse for comparison later on, when you want to know if the project is running late.7. Answer: AYou always want to be honest with your estimates. Every project has unknowns and risks, and there’s noway to estimate any activity exactly! Luckily, we have tools to deal with this. You can use reserve analysis,a tool of Estimate Activity Durations, to come up with a contingency reserve that you can use to plan forthese risks.8. Answer: BCritical chain method is a technique that’s part of Develop Schedule that lets you figure out how to handlethe problems that come with having limited resources. You use it to shuffle both activities and resourceson your critical path. One important aspect of the critical chain method is that you can use it to add buffersto the schedule to reduce the risk of certain activities.9. Answer: AWhen you draw out a network diagram for the activities in the table, you end up with four paths. And youdefinitely should draw out the activity diagram for a question like this! You’re allowed to use scratch paperon the exam, and this is one place where you should definitely do it. Of the four paths, only one has thelongest duration: Start‑A‑B‑C‑Finish, which has a duration of 6+ 4 + 8 = 18. That’s the critical path.I get it—we can use theschedule baseline the same way that weuse the scope baseline! We take a snapshotof it and then save it, so we can compare theproject’s performance against it later!Download at Boykma.Com
  • 8. 318   Chapter 610. Answer: CActivity F is in the path Start-A-D-E-F-Finish. This path has a duration of 6 + 1 + 1 + 2 = 10. The float ofan activity is the longest time it can slip before it affects the critical path. In this case, activity F can slip by8 without causing the path that it’s on to go beyond the critical path. But any more than that, and its pathbecomes the new critical path!11. Answer: CThis is the definition of fast-tracking, and you’re probably getting the hang of this one by now. You may geta question like this, but you’ll almost certainly see fast-tracking as an incorrect answer to several questions!12. Answer: ARemember that when you see “slack,” it’s the same thing as float. Either term could appear on the exam!13. Answer: BThis question is asking about the Estimate Activity Durations process. Take a look at the answers—there’sonly one answer that’s used in that process: you need to start with the activity list in order to do theestimates for the activities! The other answers are things that are inputs, tools, or techniques for otherprocesses.14. Answer: CIt’s not hard to remember the order in which the Time Management processes are performed. If you usea little common sense, you can reason your way through a question like this. You need to define youractivities before you can sequence them, you need to know who’s going to be doing an activity before youcan estimate how long it’s going to take, and you need to do all of that before you can build a schedule!15. Answer: AYou’ll have to know the different kinds of estimating techniques for the exam. You don’t necessarily haveto be good at doing them, but you should recognize which are which. Parametric estimating is when youplug values into a formula, program, or spreadsheet and get an estimate. Analogous estimating usessimilar activities from past projects to calculate new estimates. Three-point estimating uses an optimistic,pessimistic, and realistic estimate.Exam QuestionsAnswersDid you notice answer A? Don’t forgetthat the float of any activity in thecritical path is zero!When a question asks what you’d use for a process,it’s asking you to pick an input, tool, or techniquethat’s part of the process.exam answersControl Schedule isn’t included in the list of procesesbecause if a schedule change happens, you’ll have togo back and revisit the other Time Managementprocesses. So it doesn’t have a specific order!Download at Boykma.Com
  • 9. you are here 4   319time managementExam QuestionsAnswers16. Answer: CThis question is asking you to apply the PERT three-point estimation formula: (Optimistic Time + 4 x Most LikelyTime + Pessimistic Time) ÷ 6. When a question gives you these values directly, it’s easy. But in this case, toanswer the question you had to figure out the values for the Optimistic Time and Pessimistic Time, which meantthat you needed to look at the assumptions that the team was making. The most likely time was given: 27 weeks.The best case scenario would come in two weeks earlier, at 25 weeks, and the worst case would come in fiveweeks late, at 32 weeks. So the estimate is (25 weeks + 4 x (27 weeks) + 32 weeks) ÷ 6 = 27.5 weeks.17. Answer: CThe path Start-E-D-C-End has a duration of 8 + 2 + 4 = 14, which is the longest total duration in the entire network.18. Answer: BActivity A is on three different paths: Start-A-B-C-End (13), Start-A-D-C-End (12), and Start-A-D-G-End (9). Tocalculate its float, you take the longest path’s length and subtract it from the lenth of the critical path: 14 - 13 = 1.19. Answer: ASince activity E is on the critical path, its float is zero, because the float of any activity on the critical path is zero.20. Answer: AThe schedule management plan tells you how changes to the schedule are to be handled. Any time there’s achange, the first thing you should do is consult the plan to see how it should be handled.It looks like there will be abunch of questions on thecritical path method! It’s agood thing I’ve got so muchpractice with it.Sometimes you’ll get a question aboutapplying a formula, but you’ll needto read the text in the question tofigure out all of the variablesCan you think of how a questionmight quiz you on this informationwithout actually asking you to lookat a network diagram?Download at Boykma.Com
  • 10. 320   Chapter 621. Answer: AThe organizational process assets contain historical information about past projects. When you write up yourlessons learned, or create work performance information, you store it in your company’s organizational processasset library! Also, did you notice that answer B was the wrong definition of parametric estimation?22. Answer: DCrashing the schedule is the form of schedule compression that increases cost. This is a difficult questionbecause all of the answers sound good, and one or two are a little misleading! Don’t fall into the trap ofchoosing an answer because you recognize a valid tool or technique in it. Reserve analysis and three-pointestimates are very useful techniques, but they’re not the answer to this question.23. Answer: BThe critical path is the path in the network diagram where any delay will cause a delay in the schedule. Theseare the activities that cannot slip without making the project late!24. Answer: CThis question was really about the definition of “duration,” and the key to answering it is to understand howduration is different from effort. The correct answer talks about “calendar time,” which is what a duration is: it’s ameasurement (or estimate) of how long the activity will take in real life, taking into account the number of peoplewho will be doing the work, the availability of the people and other resources, everyone’s vacation time, timetaken away from the schedule because people are pulled off of the activity to work on higher priority activities,and other real-world factors. That’s different from effort (which is often measured in person-hours), and it’sdifferent from resource estimating (which involves estimating how many people and what other resources willbe used for the activity).Exam QuestionsAnswersexam answersDownload at Boykma.Com