PMI-ACP · Question #274
PMI-ACP Question #274: Real Exam Question with Answer & Explanation
The correct answer is B: Driver and the navigator. In pair programming (an Extreme Programming / XP practice), two developers work at a single workstation with defined roles: the Driver actively writes the code, while the Navigator reviews each line in real time, thinks about the broader design, and guides the direction. These ro
Question
Which of the following describe the roles in pair programming?
Options
- APilot and the navigator
- BDriver and the navigator
- CCoder and the planner
- DLeader and the second chair
Explanation
In pair programming (an Extreme Programming / XP practice), two developers work at a single workstation with defined roles: the Driver actively writes the code, while the Navigator reviews each line in real time, thinks about the broader design, and guides the direction. These roles rotate regularly. This practice improves code quality, enables knowledge sharing, and reduces defects. 'Pilot and navigator,' 'coder and planner,' and 'leader and second chair' are not the correct terminology for pair programming roles.
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