All,
The following PMP® exam sample question is taken from
http://www.free-pm-exam-questions.com - The answer is at the bottom:
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PMBOK Section: Manage Stakeholder Expectations
Process Group: Executing Process Group
Question Type: Calculation
Knowledge Area: Communications Management
Difficulty Level: Hard
*Question*: You are managing a telecommunication project. Three project
teams are working for you. Each team contains four engineers and a team
lead. The job requirements is such that there is no requirement for
cross-team communications; every person is only communicating within his
team. Only team leads are reporting to you, and in situations where
information from one team is required to be passed on to another team, this
information goes through you. How many communications channels do you have
in this scenario?
A. 36
B. 30
C. 33
D. 120
*Hint* : To simplify the mesh, there are teams each having 5 members, then
there is another management team containing you and the three team
leads.
Correct : C
Reference: PMBOK4 - pg:253
*Explanation*: Each team contains 4 engineers and a team lead. So the total
number of internal team communications channels are 5*4/2 = 10. Since there
are three such teams, so the total of all internal team communications
channels is 30. Since three team leads are also reporting to you and not
with each other, that adds three more communication channels. So the total
number of project communication channels is 33. Choice C is the correct
answer to this question.
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Until next time,
Cornelius Fichtner, PMP
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