Information Technology Project Management 5e – Marchewka
Ref: THE WORK BREAKDOWN STRUCTURE (WBS)
21. In the WBS context, a crux is best described by which of the following:
a) a risk metric
b) a phase gate
c) evidence of a phase completion
d) a deliverable
e) a proof of concept
22. A significant event or achievement that provides evidence that a deliverable is
complete is called a _____
a) work package
b) phase
c) milestone
d) checkpoint
e) phase gate
23. An estimation technique characterized by schedule and cost estimates of how long
something should take or should cost.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
24. This estimation technique may be driven by an upper management mandate.
Information Technology Project Management 5e – Marchewka
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
25. _____ can be a very effective estimating technique by forcing examination of
project risks so that specific budget or schedule targets can be achieved.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
26. An estimation technique characterized by the dividing the project into smaller
modules and then directly estimating the time and effort in terms of person-hours,
person-weeks, or person-months for each module best describes
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
27. With _____, activity estimates are usually provided by the team members.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
Information Technology Project Management 5e – Marchewka
d) Top-Down Estimating
e) Bottom-Up Estimating
28. _____ is the most common, real-world method of estimating projects.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
29. An estimation technique characterized by picking numbers out of the air or
“ballparking”.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
30. An estimation technique characterized by the allocation of a timeframe for a
specified activity. e.g. a team has two weeks to complete a task and at the end of
two weeks work on that task ceases.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
Information Technology Project Management 5e – Marchewka
31. _____ may result in long hours and frustration for the project team, which may
lead to burnout.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
32. An estimation technique characterized by the recruitment of multiple experts who
provide rounds of estimates until a consensus estimate emerges.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
33. _____ can be very effective and provide reasonable assurance when the stakes are
high and and the margin of error is low.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
Information Technology Project Management 5e – Marchewka
34. The _____ estimation method usually costs more and takes longer than other
methods.
a) Guesstimating
b) Delphi Technique
c) Time Boxing
d) Top-Down Estimating
e) Bottom-Up Estimating
Information Technology Project Management 5e – Marchewka
Short Answer Questions
1. What is meant by project scope?
2. Briefly describe the five scope management processes.
3. Briefly describe the scope planning process.
4. Describe the scope management plan.
5. Why is it important to define the project’s scope accurately and completely?
6. How does a project’s scope support the MOV concept?
7. What is a scope statement? What purpose does it serve?
8. How does a use case diagram help to define the project’s scope?
9. Briefly describe the scope change control process.
10. What is the purpose of scope change control procedures?
11. What are the benefits of having scope control procedures?
12. What is a work breakdown structure (WBS)?
13. What is a WBS? What purpose does it serve?
14. What is a work package?
15. What is the proper level of detail for a WBS?
16. Explain why people who do the work on a project should be involved in
developing the project plan?
17. What is guesstimating? Why should a project manager not rely on this
technique for estimating a project?
18. What is the Delphi technique? When would it be an appropriate estimating
technique for an IT project?
19. What is time boxing? What are some advantages and disadvantages of time
boxing project activities?
20. Describe top-down estimating. What are some advantages and disadvantages of
top-down estimating?
Information Technology Project Management 5e – Marchewka
21. Describe bottom-up estimating. What are some advantages and disadvantages of
bottom-up estimating?
Information Technology Project Management 5e – Marchewka
Essay
1. Identify and briefly describe, the five processes that support project scope
management.
2. Why is important to ensure that the project’s scope has been defined completely and
accurately?
3. What is the relationship between the project’s MOV and the project’s scope?
4. What is increasing featurism and what are the impacts it has on a project?
5. What is the purpose of a scope statement? Give an example of a scope statement
that might address the needs of an organization which is looking to establish their first
Internet web site.
6. What is project-oriented scope and what are some of the commonly used tools to
support it?
7. Describe product-oriented scope and the tools that are available to support it.
8. The text describes three project problems with metaphorical names that scope
change control is concerned with. Name and describe these problems and then
illustrate how scope change control can ameliorate or remedy the problem.
9. In developing a scope change request form, what elements should be included and
why?
10. What are some of the advantages and disadvantages of a project team working
together to develop the project plan?
11. Describe the estimation technique called Guesstimating. What are the strengths and
weaknesses of this approach?
12. Describe the estimation technique called the Delphi Technique. What are the
strengths and weaknesses of this approach?
13. Compare and contrast top-down and bottom-up estimating? Why would you choose
one method over the other?