The correct answer is D – Ensured that the team was comprised of cross-functional, generalized specialists.
Agile teams are expected to be cross-functional and self-sufficient. A lack of a required skill that halts progress typically points to an improperly constructed team. Building teams with broad (T-shaped) skills ensures they can collectively deliver value without external dependencies.
From the PMI Agile Practice Guide:
“Agile teams are ideally composed of cross-functional members who have both depth in a specialty and breadth across disciplines. This enables the team to self-organize and deliver complete increments of value.”
(PMI Agile Practice Guide, Section 4.1 – Building Agile Teams)
Mike Griffiths elaborates:
“Agile favors generalized specialists or T-shaped professionals who can collaborate across functions. This improves agility, resilience, and continuity within iterations.”
(Mike Griffiths, PMI-ACP Exam Prep Book, Chapter 4 – Team Performance)
Why the other options are insufficient:
A is a reactive strategy; proactive skill assessment is preferred.
B may delay critical features unnecessarily.
C creates external dependencies, which agile seeks to avoid.
Answer: D
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