Information Technology Project Management 5e – Marchewka
Essay Questions
1. How does the work breakdown structure (WBS) link the project’s scope to the
schedule and budget?
2. What are the benefits and disadvantages of using Gantt charts as a project
management tool?
3. In what ways are project network diagrams similar to Gantt charts and what
additional strengths do they have?
4. Construct an Activity on the Node (AON) network diagram with at least 5 tasks that
illustrate predecessors, successors and parallel activities. Label the nodes
appropriately and assuming your tasks show estimated durations in days, state the
estimated time for completing your project.
5. Assume the following activities for a project along with their estimated durations
and predecessors. Describe how critical path analysis would be applied to this
project, and calculate the critical path. Define the concepts: slack/float,
expedite/crash, and fast tracking and explain what their implications are for this
project?
Estimated Duration in
Days
6. Three team members are given the task of estimating activity durations. Mr.
Optimist estimates the activity to take 2 days to complete. Ms. Pessimist estimates
the activity to take 5 days. Mrs. Realist claims that the most likely estimate is 4
days. What should their PERT analysis assign as an expected duration for the
activity and what are the benefits and implications of deploying this tool?
7. Describe the Precedence Diagramming Method along with the four fundamental
relationships that they are based on.
8. Describe the five steps that comprise the process of estimating the cost of a
particular activity. Illustrate the steps with a hypothetical example.