PMP practice once a day | don't get lost in the exam -7.28 (including agility + multiple choices)

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1. The project manager hired a resource to develop a website . The resource abruptly quit without completing the work , The project manager must hire another - Resources to complete this work, newly hired resources to change the network design , To cover the original design . How to describe the costs associated with the work of the first resource ?(  )

A. Indirect costs

B. Direct cost

C. Sunk cost

D. Opportunity cost

【 answer 】：C

【 analysis 】： This question examines the knowledge points : Sunk cost .

Sunk cost : Already happened , But costs unrelated to the current decision .

Options A: You can't track it economically in a project , It is usually the cost of resources shared by several projects or projects and functional businesses ;

Options B: It can be tracked economically in a project , It is usually the cost of resources dedicated to a project ;

Options D : Opportunity cost refers to giving up another in order to get something - The greatest value of something .

2. An urban infrastructure construction project has been completed 50% , And almost all aspects meet the requirements of the plan . All of a sudden , The project has encountered an unprecedented threat . The project sponsor approves the use of management reserves to deal with it . This can lead to : （  ）

A. The project cost baseline remains unchanged

B. Increase in project cost base

C. Reduction of project cost base

D. Modification of project schedule benchmark

【 answer 】：D

【 analysis 】： This question examines the knowledge points : Manage reserves . Dry key words : Approve the use of management reserves .

Management reserves were not originally part of the project cost baseline , Only the management reserve approved by the sponsor can be added to the project cost benchmark , This leads to an increase in the cost benchmark . Options A And options C Totally wrong. . Options D It is not directly related to the use of management reserves , Although dealing with this threat may also lead to the modification of the progress benchmark .

3. An intelligent robot R & D project you are managing ,  At this stage, you have led the team members to complete the process of arranging the sequence of activities , Next, we need to estimate the duration of the activity . Compare several methods of estimating activity duration , What is correct about the following statement ? (   )

A. The cost of analogy estimation is lower than that of bottom-up estimation . Usually, the accuracy is also low

B. Parameter estimation is the most ideal method to estimate the duration of each activity

C. Estimate the duration of the whole project with expert judgment , Usually the most reliable

D. The expected value obtained from the three-point estimation formula is the time to ensure that the work can be completed

【 answer 】：A

【 analysis 】： This question examines the knowledge points : Tools and techniques for estimating activity duration .

The advantage of analogy estimation is fast and economical , But the disadvantage is that it may be inaccurate , The characteristics of bottom-up estimation are just the opposite , So choose A answer .

Options B : The statement is wrong . It is necessary to choose an appropriate method to estimate the duration of activities according to the actual situation of the project ;

Options C : The ability of expert judgment is not quantifiable . So the most reliable statement is wrong ;

Options D : This statement is too absolute .

4. A production company is implementing a new technology and process to produce New product projects . The details of the build work package have been determined , And identify the constraints of each component . Management wants to get an accurate cost estimate of the project . What estimation techniques should the project manager use ? (  )

A. Analogous estimating

B. Three point estimation

C. Bottom-up estimating

D. Parameter estimation

【 answer 】：C

【 analysis 】： This question examines the knowledge points : Estimation method .

Dry key words : Accurate cost estimation , The details of the build work package have been determined .

Options A: Analogical estimation is the use of historical data from similar activities or projects  , Technology to estimate the duration or cost of a current activity or project , This is a rough estimation method .

Options B : By considering the uncertainties and risks in the estimation , It can improve the accuracy of duration estimation . Need to be most likely , The most pessimistic and optimistic .

Options C: Bottom up estimation is a method of estimating the duration or cost of a project , By summarizing from bottom to top WBS Project estimate from component estimate . The most specific and precise , So options C correct .

Options D : Parameter estimation refers to the use of statistical relations between historical data and other variables ( Such as square feet in building construction ) . Cost estimation for project work , The accuracy of parameter estimation depends on the maturity of parameter model and the reliability of basic data . A parametric model is required , Not applicable in this question , And accurate estimation corresponds to bottom-up estimation . Parameter estimation is not as accurate as bottom-up estimation .

5. The delivery date is approaching, but the project progress is behind , Facing the long Christmas holiday immediately . The project manager needs to choose between letting all team members give up their holidays to pay overtime compensation and bearing fines for late delivery of the project , Which of the following analytical techniques does he need ? （ ）

A. Reserve analysis

B. Earned value analysis

C. Alternatives Analysis

D. Cost benefit analysis

【 answer 】：C

【 analysis 】： This question examines the knowledge points : Alternatives Analysis .

Letting team members work overtime and delaying project delivery are current alternatives , The project manager needs to comprehensively analyze the advantages and disadvantages and make a choice , This analysis technique is alternative analysis . choice C. Alternative analysis is used to compare different resource capabilities or skill levels 、 Schedule compression technology 、 Different tools ( Manual and automatic ) ,  And about the creation of resources 、 Lease and purchase decisions . This helps the team weigh resource costs and duration variables , To determine the best way to complete the project work .

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