PMI Agile Certified Practitioner (ACP) Practice Exam

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Prepare for the PMI Agile Certified Practitioner Exam with multiple choice questions and flashcards. Each question includes explanations to help you gear up for your test!

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What is the primary purpose of 'Pair Programming'?

To allow developers to work independently on separate features
To facilitate collaboration between developers for better code quality
To reduce the number of developers needed for a project
To separate development from testing phases

The correct answer is: To facilitate collaboration between developers for better code quality

The primary purpose of 'Pair Programming' is to facilitate collaboration between developers for better code quality. This practice involves two developers working together at a single workstation. One developer, known as the "driver," writes the code while the other, called the "observer" or "navigator," reviews each line of code as it is written, offering suggestions and keeping an eye out for potential issues. This collaborative approach enhances the coding process by promoting real-time feedback and knowledge sharing, which can lead to fewer bugs, improved design decisions, and ultimately higher code quality. It also allows for the exchange of ideas and techniques, which can be particularly beneficial for less experienced programmers working alongside more seasoned developers. When developers collaborate closely in this way, they can leverage each other's strengths, leading to more efficient problem-solving and a shared understanding of the codebase. This dynamic is a core principle of Agile practices, which emphasize teamwork and continuous improvement throughout the development process.