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Now that we are done discussing XP Extreme Programming, I

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would like to have a quiz, in which I make

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sure that some of the concepts behind XP are well

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understood. So, I'm going to ask you which of the following statements

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about Extreme Programming are true, and here are the statements.

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Because of pair programming, XP requires twice the number of developers.

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In XP, code is rarely changed after being written. XP

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follows the test driven development, or TDD, paradigm. The customer does

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not need to provide any requirements in XP.

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XP is an iterative software development process. So I

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would like for you to mark all of

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the statements that you think are true about XP.